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Related in the Adaptation

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In a work of fiction, there are two characters who aren't related in any way. The creator may not have intended for them to be related (at least, not at the time, anyway). But when that work is adapted to another form of media, suddenly the people in charge decided to make them relatives. This can be for a variety of reasons including (but not limited to):

  • A pragmatic change to eliminate some exposition; it's easier to introduce Alice and Bob as brother and sister than to introduce Bob as Alice's Like Brother and Sister childhood friend staying at her house while his parents are dead, missing, or off being the Hero of Another Story.
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  • The characters have something that makes them very similar (be it superpowers, appearance, motivations, what have you), and thus linking them together makes sense thematically.
  • By making the characters relatives the stakes are raised and there's a more personal connection between them than if they were just friends.
  • Avoiding the Unfortunate Implications of an adult being One of the Kids by making said adult a (grand)parent, uncle/aunt or an elder sibling to at least one of the kids they're running around with.
  • Trying to stomp out homosexual undertones in the original work by making the affection characters share familial instead.
  • Adding a twist to a remake of a story that is subject to It Was His Sled.
  • The result of creating a Composite Character or being Named by the Adaptation.

May result in an Adaptation Name Change, particularly surnames. When it's specifically love interests being turned into family members in the transition, the casting equivalent would be Cast Incest. See also Sibling Switch Squick.

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Compare or contrast with Everyone Is Related, where it's done within the original work. Sub-trope to Adaptation Relationship Overhaul. See also Adaptation Origin Connection.

Please do not list inversions here, for that we have Unrelated in the Adaptation.


Examples:

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    Anime & Manga 
  • In the Ace Attorney games, Celeste was Adrian's mentor; in the anime adaption, they're sisters instead.
  • The Amada Anime Series: Super Mario Bros version of Momotaro turns Mario and Peach into siblings. It's not mentioned directly in the narrative but the two were raised by the same couple, thus making them related. The short ends on a platonic note, avoiding any incestuous undertones.
  • The 80s and 2000s adaptations of Astro Boy made Atlas, a minor antagonist from the manga, into Astro's brother.
  • In the Italian dub of Attacker You!, it’s mentioned You is a cousin of Kozue, the protagonist of Attack No. 1 (an earlier volleyball anime that was successful in Italy), even if the two series are completely unrelated.
  • When Nelvana Macekred Cardcaptor Sakura into Cardcaptors, they made two of Sakura's classmates who were clearly fond of each other, with a snarky, cute relationship, into cousins. Then they removed the fact that Meiling and Syaoran were cousins by changing Meiling's surname to Rae.
  • Chobits: The anime made Yumi Omura the daughter of the owner of the pub where she worked. They weren't related in the manga; she was just another employee.
  • In the F-Zero game continuity, Captain Falcon and Jody Summer aren't directly related; one unlockable video in F-Zero GX hints that the two may have been or currently are dating. In the anime F-Zero: Legend of Falcon however, Jody and Falcon are siblings since in this universe Captain Falcon's identity is Andy Summer.
  • Several of the Homunculi in the first Fullmetal Alchemist anime are reimagined as "undead" family members of several main characters from the source material:
    • Sloth turns out to be the Elric brothers' mother.
    • Envy is revealed to be Hohenheim's first son from long ago, making him the Elrics' half-brother.
    • Lust is revealed to be Scar's sister-in-law.
    • Its version of Wrath is revealed to be Izumi Curtis' "resurrected" unborn child.
  • Kaguya-sama: Love Is War, which is a modern-day retelling of The Tale of the Bamboo Cutter, implies that Kaguya is related to the emperor's counterpart (who was her love interest in the original story). More specifically, he's implied to be the as of yet unseen younger twin brother of her cousin Maki.
  • In one of the manga adaptations of The Legend of Zelda, Link and Zelda are half-siblings. Link doesn't realize this and has a crush on Zelda, but she only likes him in a familial way. Link is half-elf and an illegitimate child from an earlier romance Zelda's deceased mother had, so he was raised separately from Zelda and does not know of his royal heritage.
  • Magical Girl Lyrical Nanoha INNOCENT:
    • INNOCENT made Linith and Teana (two characters whose only connection in the original continuity is a Master-Apprentice Chain, and they aren't even the same species) into sisters. The same is done with Jail and Quint, which makes their children all cousins. Somewhat downplayed as the Numbers were all sisters, but not biologically related.
    • Downplayed with the six Nakajima sisters, who were all adopted in the original continuity but were changed to be the biological children of Genya and Quint. Even more downplayed with Ginga, Subaru, and Nove who were originally Quint's clones.
    • Also downplayed with Uno, Due, Tre, Quattro and Sette who were still Jail's children in the original continuity, but were changed to all be his biological children. Even more downplayed with Uno, who's a female clone of Jail.
    • Played for laughs when it's jokingly suggested that Sacred Heart is a descendant of Vita's stuffed rabbit.
    • Vivio is implied to be Nanoha and Fate's biological daughter instead of being adopted.
    • Inverted and downplayed regarding Fate. She was never adopted into the Harlaown family in the INNOCENT continuity since Precia is both alive and sane, but the family bond still exists due to Precia and Lindy being Heterosexual Life-Partners who are raising their kids side by side.
    • In a non-INNOCENT example, Lindy and Chrono are mother and son in Nanoha but were unrelated in the original Lyrical Toy Box scenario.
    • Downplayed with the Takamachi siblings. In Triangle Heart 3: Sweet Songs Forever, Nanoha and Kyouya are half-siblings and Miyuki is their first cousin. In Lyrical Nanoha proper, there's nothing to suggest that they're not all full-blooded siblings (other than the fact that it would mean that Momoko gave birth to Kyouya at 14).
  • Pokémon: Inverted when Professors Kukui and Burnet are colleagues instead of being married like in the games. This is subverted at the conclusion of the Nebby arc when they get married.
  • The Sailor Moon Cloverway English dub rather infamously made Sailors Uranus and Neptune cousins as something of a lazy fix to cover up the flirting between the two so it was appropriate for a '90s American kids' show. Unfortunately for the Moral Guardians, the change not only still made them come across as lesbians, but also incestuous lesbians.note  Which was so much better than just being lesbians. What was really ironic was that the change could've worked had Cloverway bothered to edit out any of the flirting between the two. Instead the scenes were kept and characters repeatedly referred to them as cousins, even when they were villains who would logically have no way of knowing of their civilian identities. It wasn't so much the change itself that's infamous as much as how poorly it was done. It just made the fact that they were trying to hide what was really a lesbian relationship that much more obvious.
    • Pulled again by Cloverway in a fourth season episode. Two one-shot characters were made brothers when they weren't related in the Japanese dub. Due to this the fandom suspects they were supposed to be a gay couple and this was the dubbers' way of hiding that. The fact that one of these characters was targeted by an undisguised Fisheye and the other one appears to have gotten jealous when Fisheye hit on him seems to support this notion. Also the fact that the Victim of the Week had a job stereotypically held by gay men: fashion designer.
    • The Polish dub turned Kunzite and Zoisite into brothers to hide that they were very obviously a gay couple in the Japanese dub. Seems to have worked, though Zoisite was such a gay stereotype so obsessed with Kunzite that there was only so much the dubbers could do and sometimes the original romantic intentions slipped through, making it seem like dub!Zoisite was in love with his brother. Ironically this change was closer to what their relationship was in the manga; they're a gay couple only in the anime.
  • The manga Sensha Otoko: A True Tank Story is an AU of the Fate Series with no supernatural elements. Waver Velvet (who is Gender Flipped into a girl) and Diarmuid are siblings and the children of Kayneth and Sola-Ui.
  • In the 70's manga adaptation of Spider-Man, Spidey's primary love interest is a teenage girl named Rumiko "Rumi" Shiraishi. While it's debatable as to whether she's a closer analogue of Mary Jane Watson or Gwen Stacy, Rumi turns out to be Electro's little sister, something that isn't true for either girl in the American version.

    Comic Books 
  • In Batman '66, the comic book continuation of the Batman TV show, the Clock King is revealed to be Morris Tetch, brother of the Mad Hatter/Jervis Tetch. This relationship was not alluded to in the show and does not come from the comics, where the Clock King is William Tockman.
  • DC Comics Bombshells:
    • Stargirl's family was the one who found Supergirl's rocket when she was sent to Earth as a baby. Stargirl was also an infant at the time, so they were raised together as sisters.
    • Killer Frost, Zatanna, and Raven are the adopted daughters of the Joker's Daughter.
  • DC: Earth One:
    • In Superman: Earth One, General Zod is Jor-El's brother and hence Superman's uncle.
    • Teen Titans: Earth One: Both subverted and inverted with Rita Farr (renamed Rita Markov) who is now Tara Markov’s mother although they're still not biologically related, but is no longer Garfield Logan’s adopted mother or married to Steve Dayton.
    • In Wonder Woman: Earth One, it's revealed that Wonder Woman is the daughter of Hercules, who raped her mother Hippolyta.
  • In the European Disney Ducks Comic Universe comics, it was for the longest time assumed that Uncle Scrooge and Grandma Duck were brother and sister, what with her being one of the few people that Scrooge respects and act kindly towards and her refusing to let him put on airs around her—the idea being that he left the farm to make his fortune and she stayed and used the same grit to be a farmer and home-maker. When The Life and Times of Scrooge McDuck explained their actual relation, that Grandma's son Quackmore married Scrooges youngest sister Hortense (who is about fifteen years younger than Scrooge, explaining the generational gap) and became the parents of Donald Duck, it actually drew headlines.
  • In Fables, Snow White becomes the sister of Rose Red. They hadn't even met in their original stories and Rose's Snow White was a different (and blonde) sibling, but they managed to compensate for this by combining the two Snows into one.
  • Speaking of Sam, his being related to Grodd is a post-Crisis addition; in The Silver Age of Comic Books, he was just a talking gorilla with no explanation whatsoever. Then inverted in The New 52, where Forever Evil introduces Sam (also known as Primeape) as having no relation to Grodd and not even a gorilla, but a human who suffered an accident with enhanced gorilla DNA.
  • In Gotham City Garage, James and Barbara Gordon are Kara Zor-El's adoptive family. For years, Kara and Barbara thought they were biological sisters.
  • Hanna-Barbera Beyond: In the 2017 Comic-Book Adaptation of The Jetsons, the Jetsons' Robot Maid Rosie is retconned into George Jetson's mother living with her mind in a robot body.
  • An unusual example in that it wasn't actually an adaptation, just a strip with No Continuity—when the UK Anthology Comic Hoot! was tied into The Dandy, Hoot's strip about a troublemaking baby, Cuddles was combined with The Dandy's similar strip, Dimples. The first Cuddles and Dimples strip showed Cuddles' family moving next door to Dimples' and the two babies becoming friends. At some point over the next year, Cuddles' parents stopped appearing and the babies were portrayed as twin brothers.
  • In the Jem cartoon, Aja and Shana became Kimber's and Jerrica's foster sisters at a young age, but are treated more like close friends. In the IDW comics, they make it a point to show that they are all sisters.
  • The Mighty Thor: This series has a habit of completely screwing with the gods' relationships to each other as compared to the source material. Even more shocking since not many characters from the myths actually make it into the comic.
    • Sif and Heimdall are siblings in the comic, but have no relation to each other in mythology. The only relatives of the latter that are mentioned are nine mothers and of the former are her son and husband.
    • May have happened to Thor and Tyr, but mythology's not clear on their relationship to begin with. In the comic, they're explicitly brothers. One version of Tyr's genealogy has Odin as his dad, which would make him Thor's half-brother, so the comic wouldn't really have changed their relationship. Another version of his parentage gives a completely different figure as his dad, making them unrelated in myth, but related in the comic adaptation.
  • The New 52:
    • Wonder Woman is now the daughter of Zeus and aunt of Wonder Girl (Cassie). Diana was already Zeus' great-granddaughter and had previously been Cassie's grand-niece but writers often ignored this as it would require them to draw attention to Ares' being Diana's grandfather. Nothing in the New 52 hints Ares is no longer Hippolyta's father meaning this version of Diana is the product of some serious Royal Inbreeding.
    • In the The Forever People, Serafina (the Gender Flipped version of Serifan from previous continuity) is Vykin the Black's sister. This also entails giving the blond Serifan a Race Lift.
    • In the Villains Month Origins Episode for Darkseid, he was the brother of Avia, and therefore the brother-in-law of Highfather. (Avia herself remains a Posthumous Character.)
    • In Shazam back-up strips in Justice League, Billy and his Flashpoint friends are now foster-siblings.
    • The New 52 version of Arthur Light (who is not a villain) is married to Kimiyo Hoshi, the heroic Dr Light II in the previous continuity.
    • Earth 2: Before the New 52, Fury was the daughter of Earth-2's Wonder Woman and Steve Trevor. She is still Wonder Woman's daughter, but she's born illegitimately after her mother was manipulated by Fury's father Steppenwolf.
    • In Justice League Dark #19, it is revealed that Madame Xanadu is the mother of Dr Destiny. Pre-Flashpoint, his mother was established in The Sandman to be a woman named Ethel Cripps.
    • In the Superman/Wonder Woman tie-in to Superman: Savage Dawn, Angle Man is the son of Vandal Savage.
  • Shazam:
    • In the first Post-Crisis revamp, Shazam!: The New Beginning, Captain Marvel's arch-nemesis Dr. Sivanna is his step-uncle (making him a Composite Character with Billy's Evil Uncle Ebeneezer) and Uncle Dudley is his real uncle (instead of an honorary one) named Dudley Batson. Both were later Ret Conned.
    • As a form of Canon Welding, DC Comics made Freddy Freeman (Captain Marvel Jr.) and Kid Eternity brothers after acquiring both characters from separate companies. They had remarkably similar origin stories (Raised by Grandparents, grandpa died in a boating accident, they got a power that activates By the Power of Grayskull! and includes lightning), and since the Kid had No Name Given until then they could easily reveal he was Christopher "Kit" Freeman.
    • The Power of Shazam! adds a couple of these to Mary's backstory. She was still raised by the Bromsfields, but Nora Bromsfield is now a cousin of Marilyn Batson. In addition, Sarah Primm was the sister of Theo Adam, Black Adam's present-day descendant and host body. In the Fawcett comics, Adam didn't need a host body and had no known connection to Primm. Combined with making Theo responsible for the Batsons' death, her backstory goes from "Nurse randomly gives orphaned baby to rich lady rather than tell her her child died" to "Nanny is worried about what her brother might do to orphan, so takes her to live with relatives". (And she'd have done the same for Billy if he hadn't dropped off the grid by then.)
  • Spider-Man: Chapter One makes Norman Osborn and Sandman cousins to explain their similar looking hair. Became this trope once the book was (very quickly) declared out-of-continuity and simply an alternate reality take on the Spidey mythos.
  • Ultimate Marvel:
    • Ultimate Spider-Man
      • In the main Spider-Man comics the name Spider-Woman has been used by a number of ladies, all of whom have almost nothing do with Spider-Man other than having similar names and powers. In Ultimate Spider-Man Spider-Woman is Peter Parker's Opposite-Sex Clone; in civilian life she goes by the name Jessica Drew, which happens to be the civilian name of the first Spider-Woman in the mainstream Marvel Universe. Additionally, Tarantula and the original Scorpion are clones of Peter, too.
      • In the Ultimate verse Liz Allan is made a Composite Character and thus is not only the alter ego of Firestar, but The Blob is now her uncle (or biological father).
      • Morbius is the brother of Dracula.
    • The Ultimates:
    • In Ultimate Fantastic Four:
      • Doctor Doom is a descendant of Dracula. This in turn makes him a distant relative of Morbius.
      • Thanos is the father of Ronan the Accuser.
    • While Professor Xavier and Moira MacTaggert of the traditional Marvel Universe have had romantic feelings towards each other, they ended up marrying different people. In Ultimate X-Men, they did get married and later divorced. This resulted in their respective spouses (Gabrielle Haller and Joseph MacTaggert) being adapted out, the sons they had being the same character and two cases Adaptation Name Change (Moira's maiden name in the classic universe was Kinross, "MacTaggert" being the result of a very bad marriage and Proteus being named David Xavier).
  • Both inverted and played straight for Nadia Pym, as despite being based on the Red Queen and Hope van Dyne, Janet van Dyne serves as a surrogate mother, but isn't her birth mother—that instead being Hank Pym's first wife, Maria Trovaya.
  • In the comics based on Young Justice, the storyline "Gorilla Warfare" reveals that Primat (a member of the Dreambound in Kurt Busiek's Trinity (2008)) is the mate of Grodd in this universe, possibly because she's the only named female Gorilla City resident in The DCU. Their son, Simeon, is presumably meant to be Sam Simeon from Angel and the Ape, who is Grodd's grandson in the comics, but no known relation to Primat.
  • In the Archie Comics Mega Man series, Ra Moon from Super Adventure Rockman is the creator of Shadow Man, the Stardroids, and Sunstar, as well as the master of the evil robot Duo fought at the start of Mega Man 8. In the original games, absolutely none of these alien robots were said or implied to be connected to one another (not even in the manuals).
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    Fan Works 
My Little Pony: Friendship Is Magic
  • Many My Little Pony: Friendship Is Magic fics depict Amethyst Star/Sparkler as Derpy's daughter and Dinky's sister, even though Derpy and Amethyst look about the same age. (This owes to Dinky and Sparkler appearing in the Sisterhooves Social race together, and fanon having long held that Dinky is Derpy's daughter due to similar color schemes). Some fans ignore it or say that Sparkler is a close family friend who's like a sister, others make Derpy a bit older and Sparkler a bit younger than they both look and bring Sparkler into the family.
    • It's not as popular but some fans have taken the route of making Sparkler Derpy's sister. Other options include "Sparkler is Derpy's niece and therefore Dinky's cousin" and "Sparkler is the cousin of both Derpy and Dinky, who are sisters" (while not as popular as mother/daughter, there are fans who like Dinky as Derpy's little sister).
  • It's also common for Scootaloo, whose parents have yet to be seen or mentioned even seven seasons in and who has a bond with Rainbow Dash, to turn out to be an orphan and be adopted by Dash. (Though it's not common, though also not unheard of, for them to turn out to have been related all along, even to the point of Rainbow being Scootaloo's birth mother.) A book revealed that Scootaloo has busy parents and is usually taken care of by her aunts, however her parents themselves still haven't appeared in-series.
  • A lot of early fanworks depicted Octavia as Pinkie's sister because she had a slight resemblance to one of her siblings. This has since fallen out of fashion and has been jossed in canon. Fans however still do often write Octavia as Lyra's sister (they both have string instrument Cutie Marks), something that hasn't been clarified in canon.
    • Octavia as Pinkie's cousin is still popular, which would make Pinkie and Lyra cousins if used with the above Octavia and Lyra relation.
  • The Sirens from Equestria Girls are often written as sisters. In canon, their relationship is unclarified.
  • Cheerilee as background pony Berry Punch's (also known as Berryshine) sister has appeared in many works due to their similar colour palettes. According to a comic, Cheerilee does have a twin sister; however any other siblings aren't mentioned.
  • Multiple stories, including But I'm Here For You Now, depict Fluttershy as Scootaloo's birth mother, who gave her up for adoption because she couldn't care for a foal on her own.
    • Fluttershy and Scootaloo can also be written as estranged siblings or cousins.
  • Cheerilee and Scootaloo as sisters (which is taken from Generation 3.5) has some popularity.
  • It's not uncommon for Twilight Sparkle to be depicted as Spike's mother.
  • Aftermath of the Games:
    • Unlike the pony versions of Rainbow Dash and Scootaloo who are just surrogate sisters, the human Rainbow Dash and Scootaloo here are real sisters.
    • Also, even though no relationship is established between them in canon, here Cinch is revealed to be Fleur's mother.
  • The Alternate Tail Series has Carla's father revealed to be Pantherlily.
  • In The Apprentice, the Student, and the Charlatan, Trixie Lulamoon and Twilight Sparkle are stated to be distantly related due to the Lulamoon clan inter-marrying with the Novus clan over the years, before the Sparkle clan materialized as a branch of the Novuses.
  • In My Little Pony: Friendship Is Magic, Fluttershy and Rainbow Dash are Childhood Friends. In the fanfic Asylum they are foster sisters.
  • Biomom: Rainbow Dash finds out Daring Do/A.K. Yearling is the mother who gave birth and then abandoned her. A time-traveling Twilight turns out to be Luna and Celestia's birth mother.
  • Children of the Star:
    • It's revealed early on that Twilight, Trixie, Starlight, Sunset and Moondancer are all paternal half-sisters whose mothers had them via in-vitro fertilization, and that their father is the exiled alicorn prince Star Dust. The 2018 rewrite keeps all of them, and adds Fizzlepop Berrytwist/Tempest Shadow as a sixth sister.
    • In the original version (before its 2018 rewrite), during the search for Star Dust, the quintet also meet LQ73, an A.I. and his first-built son, and learn from him that not only is Spike also their naturally-conceived half-brother, they have four younger Earth Pony siblings (Silver Spoon, Pipsqueak, Twist and Babs Seed) who were conceived in the same manner as the girls themselves. It's later revealed they have another sister: Scootaloo.
    • Star Dust also had a sister, Dust Bowl, who became the ancestor of Stinking Rich (and through him, of Filthy Rich and Diamond Tiara). This is still true in the 2018 rewrite.
  • Daughter of Darkness, a crossover with Hellsing, has Alucard and Princess Luna as Scootaloo's birth parents.
  • The Differentverse: Scootaloo is Derpy's niece and, by extension, Dinky's cousin. Coco Pommel is Applejack's little sister via adoption.
  • Firebird Dahlia: Sunset and Spitfire are estranged sisters. Neither is entirely happy when others find out.
  • Flying High: Scootaloo turns out to be the daughter of Trixie Lulamoon and Prince Blueblood.
  • Friendship is Witchcraft:
    • Rainbow Dash is Scootaloo's very distant mother.
    • Rarity and Sweetie Belle are still sisters however they aren't blood related, as Sweetie is a robot.
    • Francis (Shining Armor) is Twilight's adopted brother instead of her biological brother. She doesn't completely see him as a brother, instead she wants to marry him. She does in fact.
  • Friends with Everybody:
    • Of Wondercolts and Shadowbolts reveals that Abacus Cinch and Sunny Flare are mother and daughter.
    • Flash Sentry and Scootaloo are brother and sister. Later, it's revealed that Rainbow Dash is their paternal half-sister.
    • Adagio is the ancestor of the Element Bearer's human counterparts, and by extension their siblings and at least one parent for each.
  • The Harmony's Warriors series does this several times:
    • Rainbow Dash and Trixie are adopted sisters, Rumble and Thunderlane are their brothers, and they're all Celestia's children.
    • Scootaloo is Daring Do's niece.
    • Featherweight is Filthy Rich's son.
    • Apparently Celestia is on Shining Armor and Twilight's family tree. Though this has only been explored briefly, Word of God is that it's an important plot point.
  • It Started With A Look; by zyr1987: Fancy Pants and Fleur de Lis are brother and sister.
  • My Secret Daughter: Diamond Tiara is the daughter of Starlight Glimmer and an unknowing Double Diamond (Starlight broke up with him once she found out she was pregnant and never told him about their child), whom Starlight later gave up to Spoiled Rich after the other mare lied to Starlight about having miscarried and, still wanting a child of her own, promised to take care of her. Years later, when Starlight finds out what kind of pony Spoiled really is, she immediately takes steps to get her daughter back.
  • One Awesome Mom: Scootaloo lives with her maternal aunt Ditzy Doo and cousin Dinky, because her actual mom is Ditzy's sister Daring Doo, who spends most of her time at archaeological digs and is the basis for the main character in her sister's Daring Do novel series.
  • Pony POV Series:
    • Octavia Melody and Photo Finish are Pinkie Pie's sisters, though they left the rock farm at an early age to become a musician and photographer respectively, which is why they hardly interact.
    • Berry Punch is Cheerilee's sister.
    • Screwball is Filthy Rich's wife and Diamond Tiara's mother. In the fic, she is named Golden Tiara, though some characters call her Screwball as an insult. It's later revealed that Golden's parents wanted her name to be Spoiled Rich, the canon wife and mother to the family, and if circumstances had been different, Golden would have been just like Spoiled Rich.
    • Many characters from G1 and My Little Pony Tales are Famous Ancestors of the current characters.
    • Discord's mortal mother Shady is Golden Tiara and Diamond Tiara's ancestor, making him their great-great something uncle.
    • Prince Blueblood and Princess Cadence are cousins.
  • Quiververse: Several examples, some based on fanon and some from the author's own imagination.
    • Whereas it's remained unconfirmed in the series proper, Applejack and Pinkie Pie are confirmed to be distant cousins thanks to research by Pinkie's mother, Cloudy Quartz.
    • Cadance is suggested as being the descendant of Princess Amore, the last legitimate ruler of the Crystal Empire before Sombra usurped the throne.
    • Bulk Biceps is Featherweight's maternal uncle in this storyline, whereas they've never so much as interacted in the series itself.
    • Twist is Bon-Bon's niece (doubling as a Shout-Out to RealityCheck's Nyxverse).
  • Scootaloo's Parents Are: Shining Armor, who never knew about her (but it's implied that he would have gladly taken her if he had known), and Spitfire of the Wonderbolts, who abandoned her in an orphanage as soon as she could because she felt she couldn't take care of a foal on her own.
  • Seven Days In Sunny June: This happens to numerous human characters. When Sunset returns to Equestria in book 2, she finds that at least some of these relationships are exclusive to the human versions and not the case with their pony counterparts.
    • Sunset is taken in and pretty much adopted by human Twilight's family.
    • The Spike of this world is human and Twilight's little brother. Octavia is also Twilight's cousin via their fathers.
    • Fiddlesticks is Octavia's cousin via their mothers, while Screwball and Midnight Moondust are sisters, and both are second cousins to Octavia.
    • Rainbow is descended from Commander Hurricane, and Scootaloo is her Happily Adopted little sister. (Explicitly not the case for their pony counterparts, though they have unofficially adopted one another as sisters.) Spitfire is Rainbow's cousin.
    • Angel is Fluttershy's little brother. DISCORD of all people is their Disappeared Dad. Tirek, his former bandmate and still good friend, is Fluttershy's godfather.
    • Crackle is Suri Polomare's half-sister by her father's mistress.
    • Blueblood and Flash Sentry are cousins.
    • Pinkie Pie is the niece of Carrot and Cup Cake (her mother and Cup are sisters). Pony!Pinkie, when she finds out, tells Sunset that her world's Cake family aren't her blood relatives, but she wouldn't mind if they were, since they ARE like a second family to her.
    • Coco Pommel is Fancy Pants' little sister.
  • Scootaloo's Sunrise Surprise: Scootaloo turns out to have an older unicorn sister she never knew about: Sunset Shimmer.
  • The Bridge:
    • Pipsqueak and Octavia are cousins.
    • According to the spinoff The Bridge: Humanity's Stand, Marshal Stacker Pentecost adopted Miki Saegusa as well as Mako Mori.
    • Raiga was made a member of Godzilla's species and considered an honorary cousin.
    • Princess Cadance is the daughter of Princess Amore (time travel was involved, since Amore lived over 1000 years ago).
    • Prince Blueblood is a descendant of Princess Platinum.
    • Flash Sentry and Indigo Zap are cousins. Their ancestor is Commander Hurricane. Gloriosa Daisy and Timber Spruce are their second cousins, since their father Salty Sentry is the cousin of Flash's father Stalwart.
    • The Windigos raped Princesses Melpomene and Hymnia and conceived the three Sirens: Adagio Dazzle, Aria Blaze, and Sonata Dusk. Adagio and Sonata are both Melpomene's daughters but have different fathers, while Aria is their cousin as Melpomene and Hymnia were sisters.
    • Xenilla (Spacegodzilla) and Mothra Lea are technically half-siblings, since Xenilla was born from a mixture of Godzilla Senior's blood and Lea's mother's magic.
  • The Infinite Loops / MLP Time Loops:
    • Many loops have characters being related when they weren't in baseline. This includes Loops where Twilight has one or more of her friends as her sibling(s) or child(ren), and at least one loop where Mrs. Cake is a distant cousin to Pinkie, who's very excited (she runs down the street repeatedly screaming "The Cake is a Pie!" when she finds out).
    • Rainbow Dash has had Loops where she's the daughter (usually estranged) of Photo Finish.
    • Scootaloo has been related, by blood or adoption, to every Equestrian Looper.
    • In 202.12, Diamond Tiara is the daughter of Applejack and Filthy Rich (the writer admits to being inspired by Tatsurou's Yes, My Lady) from a one-night stand after Filthy found out his parents had arranged for him to marry Spoiled Milk, and was raised by her father and stepmother with the promise that if she found out about her birth mom and wanted to rejoin her, Spoiled wouldn't stand in the way.
  • The Secret of Motherhood: Starlight Glimmer reveals that she had a daughter who was stolen from her at birth, who turns out to be Scootaloo. Her father was Wind Rider of the Wonderbolts.
  • The Sparkle In His Eye:
    • Sunset Shimmer is the latest incarnation of the daughter of Celestia and her phoenix Philomena, who had transformed into a male pony in an effort to comfort Celestia years ago.
    • Rainbow Dash is Daring Do/A.K. Yearling's long-lost daughter. The author admits to being inspired by Biomom.
  • In the Hasbroverse:
    • Caramel is a cousin of Applejack, Apple Bloom, and Big Mac.
    • Celestia and Luna are the daughters of the Princess Ponies via their magic wands. Also, Megan, Danny, and Molly were their honorary aunts and uncle.
    • Twilight, Firefly, G1 Applejack, and (presumably) Surprise are the ancestors of Twilight Sparkle, Rainbow Dash, FiM Applejack, and Pinkie Pie.
    • Spike is the grandson of King Spykoran, who's the grownup version of G1 Spike.
  • Yes, My Lady, a crossover with Black Butler, pulls off both this and Family Relationship Switcheroo by having Apple Bloom and Diamond Tiara revealed as twin sisters... whose biological parents are Applejack and Filthy Rich.
  • In The Royal Sketchbook, Blueblood isn't related to Celestia. He's royalty through Princess Platinum.
  • In the oneshot A Great and Powerful Legacy, Trixie is a descendant of Starswirl.
  • The Flash Sentry Chronicles:
    • Trixie mentions that her family line could be traced all the way back to Starswirl The Bearded.
    • It is eventually revealed that Flash Sentry and Scootaloo are long-lost siblings.

Others

  • Plenty of Crossover fanfics do this by taking one given character from one of the universes and making them a distant cousin (or estranged sibling, but cousin is much more common) to a (preferably) similar character from the other universe, bypassing the need for more elaborate explanations as to why characters from two different works are suddenly coming together.
  • In I Am Superman, a crossover between Worm and The Iron Giant, Taylor is the granddaughter of Hogarth Hughes on her mother's side of the family.
  • Empath: The Luckiest Smurf has Hefty and Handy related to each other as twin brothers, rather than as just friends in most other adaptations of The Smurfs. However, since the franchise has never stated if Papa Smurf getting the Smurfs from the stork and raising them makes them family, it may actually be an inversion for all other Smurfs instead.
  • In Azumanga Und Panzer, there are two examples:
    • Sakaki and Nonna are cousins, an idea likely derived from their similar appearances as tall girls with long, dark hair.
    • Implied with Kagura and Minamo "Nyamo" Kurosawa. The former's full name in this fic is Kagura Kurosawa, which means that she might be related to Nyamo.
  • One Piece, Two Piece, Red Piece, Blue Piece:
  • Ultimate Spider Woman does this to Spider-Man foe the Chameleon and X-Men villain Mystique, making them siblings.
  • Examples from Pokémon Reset Bloodlines:
    • The main story reveals that Misty and her sisters are cousins of Kalos Elite Four member Siebold.
    • Ritchie and one-shot character Silver from Pokémon Chronicles become this when the latter marries the former's mother.
    • And it's heavily implied, though not outright stated, that many canon characters are this to Ash, all of them having been fathered by the same man. These include Red, Yellow, Ritchie and Arnold.
  • In the RWBY/Marvel Cinematic Universe Fusion Fic In Shades of Red and Gold, instead of being Taiyang's ex-wife and Yang's biological mother, Raven Branwen is Taiyang's half-sister and Yang's aunt, Qrow is Taiyang's half-brother, and Summer is Yang's biological mother. In an inversion, Taiyang isn't Ruby's father, Tony Stark is (she's also the reason Taiyang walked out on Summer).
  • The Doctor Who fanfic Nothing is Ever Forgotten reveals that the Eleventh Doctor's restoration at Amy Pond's wedding also restored the memory of Amy's maternal aunt, Donna Noble-Temple.
  • Steven Universe While Jasper does call Amethyst her sister in canon, it's clearly metaphorical; they weren't even created in the same kindergarten. A lot of Human Au fics portray Jasper and Amethyst as either sisters, half-sisters, or some other form of familial relationship.
  • Dragon Ball Z Abridged:
    • In the special Episode of Bardock,it's revealed that the inhabitants of the Planet Plant/Vegeta are primitive Saiyans. However, with the release of Dragon Ball Super, it turns out that Saiyans were originally from a different planet entirely, making them unrelated to that species in canon.
    • Lord Slug is revealed to be Guru's good half, but they're completely unrelated to each other in the source material.
    • Mouri and Dende are changed from technical siblings (thanks to both of them being fathered by Guru), to Mouri being Dende's father. Considering Guru undergoes Adaptational Villainy, probably for the best.
    • Dr. Gero's son refers to Dr. Flappe as his uncle, though he might be of the Honorary Uncle sort.
  • To Hell and Back (Arrowverse) both inverts this and plays it straight. Thea Queen is not Malcolm Merlyn's biological child with Moira — Oliver, however, is.
  • In The Heart Trilogy, a series of Tolkien's Legendarium fics, Smaug is a great-great-grandson of Ancalagon the Black, the greatest dragon to have ever existed.
  • There are many fics that portray Goku and Turles as cousins, sometimes Turles is Goku's twin brother and in the most weirdest of the cases, Turles is Goku's uncle.
  • Comatose: Jasmine and Aladdin are brother and sister. They're both orphans who live on the streets together.
  • The Twilight/Heroes fanfic Lightning Strikes reveals that Alice Cullen is actually the presumed-dead sister of Angela Petrelli.
  • The Buffy the Vampire Slayer/Stargate SG-1/Battlestar Galactica crossover An Extraordinary Journey features a few of these; not only do characters speculate that the resemblance between SGC Major Lauren Satterfield and the Number Eight Cylon models is because the Eights were based on a distant relative of Satterfield's, but it is eventually revealed that Willow Rosenberg and Dawn Summers are formerly-Ascended Ancients who were actually sisters in their original lives; Athena/Willow chose to take human form again as an experiment, and Hera/Dawn bonded herself to the Key to help trap it and prevent Glory using it to destroy the universe.
  • The Star Trek: The Next Generation fanfic Big Doors and its sequels not only make Tasha Yar essentially the adopted daughter of Tuvok from Star Trek: Voyager, but make her the long-lost biological cousin of Tom Paris.
  • Finmonster's The Marvelous World of DC and its sequels reveals that Hellboy and Raven (of the Teen Titans) are actually half-siblings, with Trigon their mutual father (although there is such a significant age gap that Raven is raised as Hellboy's daughter rather than his sister, as requested by Raven's mother).
  • Tara Sheppard makes Tara Maclay the half-sister of then-Major John Sheppard (her mother was his father's secretary for a time).
  • Once Upon a Supernatural Time has a few of these;
    • When Crowley visits Storybrooke, he reveals that Crowley's mother Rowena is also Cora's mother, as she fled to this world after teaching Cora her magic, which makes Crowley Cora's half-brother and Regina's uncle.
    • Tamara is revealed to be the daughter of Dean's old foe Gordon Walker.
  • In Prodigal Son, Tuffnut refers to Mildew as "old uncle Mildew."
  • In the Pokémon fanfic series The Road You Choose, not only is Ash's father identified as Pokémon Master Red, but Red is also the father of Ash's friend Dawn, and Jessie learns that part of the reason her and James's mistakes were tolerated for so long is because Giovanni is her father.
  • A particularly dark example in the Mummies Alive! fanfics by Julie Horwitz, which reveal that Ja-Kal's nephew, Kimas, is actually Nefer-Tina's son, as his brother Arakh was hired to rape Nefer-Tina by Ja-Kal's jealous wife Tia (Tia ignoring the fact that Nefer-Tina had shown no sign of acting on her feelings for Ja-Kal).
  • In the Dreamworks Dragons fic The Grimborn Sister, Astrid is now the sister of Dragon Hunters Viggo and Ryker Grimborn, although it is soon established that she has no actual involvement in their business and ends up falling for Hiccup through sheer chance.
  • The How to Train Your Dragon fic Shadow and Silver makes Heather Hiccup's half-sister; Valka was pregnant with Heather when she was 'abducted' by Cloudjumper and Hiccup met them after he ran away from Berk.
  • In The last Connor- a crossover between Terminator and Alien- Rebecca 'Newt' Jordan is revealed to be the last living descendant of the Sarah Connor who exists after Terminator Genisys, prompting "Pops" to defend her as though she was his own 'child'.
    • At the same time, Corporal Dwayne Hicks is revealed to be a descendant of the Kyle Reese who existed in the new timeline, as an Actor Allusion to the fact that Michael Biehn portrayed both characters.
  • In the The Worst Witch fanfic The Two Religions, it is revealed that Mildred's magic comes from her biological father, Merlin.
  • In the Pirates of the Caribbean fic Birds of a Feather, Philip- the young priest who was on the Queen Anne's Revenge- is Elizabeth Swann's cousin, resulting in him joining Will and Jack in their initial attempt to rescue Elizabeth from the Pearl.
  • Fates Collide:
    • Mash Kyrielight is Lancelot and Guinevere's daughter, rather than her being possessed by their son Galahad, who doesn't exist here.
    • Reika Rikudou is Jack the Ripper's mother.
    • Mercury Black and Ushiwakamaru are siblings.
    • Mordred is actually the daughter of Arturia and Diarmuid.
  • What Insertion?: Azusa Shiratori and Shiho Miyano are revealed to be cousins, something which is a bit of a bombshell in-universe. On an occasion when Azusa accidentally broke up a Black Organization operation just by being herself, this results in Sherry becoming both respected and feared by the B.O.'s lower-ranked members.
  • In Linked in Life and Love, Summer Rose and Roman Torchwick are siblings. Moreover, Ruby is not the child of Summer and Taiyang, but rather the biological child of Summer and Raven.
  • To Belong:
  • Frankie Rules makes Mac from Foster's Home For Imaginary Friends the cousin of Tommy from Robotboy. This is because they both have similar character designs.
  • In Robotboy canon, Robotgirl was made to be a companion for Robotboy. In Human After All the two have a sibling relationship.
  • This happens a lot on Earth 27, with several characters becoming related in one way or the other:
    • Tim Drake and Dinah Drake are cousins thanks to a philandering shared grandfather.
    • Carrie Kelly becomes the cousin of Barbara Gordon.
    • Sarah Essen becomes Jim Gordon's wife and the mother (rather than step-mother) of Barbara and James Jr.
    • Nyssa Al Ghul becomes the mother of Connor Hawke.
    • Adeline Kane (Slade Wilson's ex-wife), is the sister of Nathan, Jacob and Martha Kane, making her sons Grant and Joseph cousins of Bruce Wayne and Kate Kane.
    • Hank and Don Hall (the first Hawk and Dove), become the younger brothers of Carter Hall (Hawkman).
    • Zinda Blake (Lady Blackhawk) becomes the older twin sister of Eddie Blake (The Comedian).
  • In Smallville fanfiction "Stronger Together", Kara Danvers and Carol Danvers are sisters.
  • In Traveler, Giovanni is revealed to be Ash's father.
  • What If repeatedly brings up Loki's resemblance to Hela, making more than one character suggest he's her son with Laufey, making him Odin's grandson and Thor's nephew. Hela herself eventually confirms it.
  • Golden Blond And Jet Black is a crossover where Mavis from Hotel Transylvania and Rapunzel of Tangled are respectively the daughters of Pitch and Sandy from Rise of the Guardians. The story ends with Mavis and Rapunzel adopting Vanellope from Wreck-It Ralph.
  • In Lost, Delia reveals to Professor Oak that Ash's father is Giovanni of Team Rocket. She ran off after learning he was a criminal, but not before she became pregnant with Ash. She never told Giovanni about Ash and lied to Ash about his father.
  • Change Of Heart is one of many Super Mario Bros fics that depict the Koopalings as Bowser Jr's older siblings. In canon, they're unrelated.
  • Let Me Hear is a RWBY fic that turns Blake and Weiss into adopted sisters. As a child, Blake was adopted into the Schnee household after her parents were killed.
  • Izuku Midoriya's father in canon is basically a non-entity, but in Conversations with a Cryptid he's All for One. Similarly, his mother Inko is Nana Shimura's daughter, making her Shiragaki's aunt.
  • In Super Smash Bros. Ultimate: World of Light, Dr. Mario is the cousin of Mario and Luigi.
  • In The Legend of Zelda: The Sage of Darkness, Dark Link is revealed to be Link's father, having resurrected himself through his son's shadow.
  • Zelda and Link are brother and sister in the fan novel Zelda and the Manacle of Cahla.
  • There Will Be Brawl: Waluigi is Wario's brother. In Super Mario Bros, they're only Ambiguously Related.
  • Word of God confirmed that canonically, Wario & Waluigi from the Super Mario Bros. series actually aren't brothers, however, they are brothers in SMG4's Mario Bloopers.
  • In the Meet the Robinsons fic The Future Child, Today, Wilbur isn't from the future, which obviously changes several twists from the movie. Instead of being Lewis and Franny's Kid from the Future, he's the son of Bowler Hat Guy, who is not Goob. He and Lewis are both adopted by Bud and Lucille by the end, though.
  • As the A Song of Metal and Marvels series combines the Marvel universe with A Song of Ice and Fire, there's a bit of this going on:
    • Tony Stark is Ned Stark's cousin, making him first cousin once removed to the Stark children.
    • Bruce Banner becomes Bruce Tarth, Brienne's cousin.
    • Natasha Romanoff becomes Natasha Martell, Oberyn's oldest and only legitimized daughter.
    • Mystique is the long-lost daughter of Duncan Targaryen, making her Daenerys' first cousin once removed and Jon's first cousin twice removed. Also, Magneto is a Blackfyre, making him a more distant cousin to all three.
  • In the Jackie Chan Adventures/W.I.T.C.H. crossover Guardians, Wizards, and Kung-Fu Fighters, the Chans and Lins are cousins in the new Merged Reality. Specifically, Uncle and Yan Lin are first cousins, with the rest descending from that point.
  • The Last Son: This is pretty much inevitable when merging the DC and Marvel universes:
  • Our Own League series:
    • In Teen Titans: Witch-Hunt, the Greek Goddess of witchcraft, Hecate, is revealed as not only Circe's patron and magic tutor, but her mother. She is also Donna Troy's grandmother, making Circe Donna's aunt.
    • M'gann M'orzz was the foster daughter of King Jemm of Saturn and his wife Cha'rissa as a war refugee living on Titan, before relocating to Earth with J'onn. In DC canon, M'gann and Jemm have never even met.
  • In Power Rangers Clockwork, Aricin Velothi is the son of Brynja and Asgaut Velothi. His counterpart in the original Skyrim mod Clockwork, the Amalgam, has no known relationships between Lamashtu and Lahar.
  • The Many Dates of Danny Fenton (Danny Phantom Western Animation, TV Series, and Comic Books.):
    • In the "Parallel Sailor Moon" short, Sailor Jupiter has a daughter named Mako, though the father is notably not present. If Danny choose her, he becomes Mako's father.
    • In the MC 2 comics, Felicia's daughter Felicity was Flash Thompson's daughter. In the ending with her, Danny is the father.
  • Tokimeki PokéLive! and Twinbee

    Films—Animation 
  • In the original The Snow Queen, Gerda and Kai are very close friends and implied love interests who grew up together. In the 2012 adaptation, they're biological siblings who were separated until right before Kai gets kidnapped.
  • Frozen is also loosely Inspired by... The Snow Queen. In the original, Gerda and the Snow Queen are totally unrelated (indeed, the Queen is closer to The Fair Folk); here the Queen (Elsa) and Gerda's equivalent (Anna) are sisters, and their relationship is the main theme of the movie. Early on in development, the two were unrelated. This was changed so that the two could have a closer relationship, originally of the Cain and Abel sort but later of the distant siblings kind.
  • Meet the Robinsons was based on the William Joyce book A Day With Wilbur Robinson, where the unnamed protagonist meets his friend Wilbur's family. In the film, the protagonist, Lewis, meets Wilbur because Wilbur is his Kid from the Future, a fact not revealed until the third act.
  • In the film of Horton Hears a Who! JoJo is introduced early on as the Mayor of Whoville's oldest child and only son. In the book, JoJo only appears right at the end, which could easily be the first time he and the Mayor have ever met. See also Seussical below.
  • Hercules:
    • The title character is the legit son of Zeus and Hera instead of only Zeus's by a mortal woman.
  • Bambi: Bambi's father is left vague in the books however it isn't implied to be the Great Old Prince Of The Forest (who is an elderly and seldom seen figure). The Disney adaptation combines Bambi's father with the Great Prince.
  • Rudolph the Red-Nosed Reindeer:

    Films—Live-Action 
  • The Addams Family has a variation: in the TV series, Fester is Morticia's uncle. In the films, he's Gomez's brother, thus making him uncle to Pugsley and Wednesday. This is due to Gomez and Fester's dynamic chemistry in the TV series. This change remained in future adaptations. Also, in the TV series, Grandmama is Gomez's mother, while in the films she's Morticia's mother. Future adaptations have gone back and forth with this change, meaning that in some later versions she becomes Fester's mother too. The musical explicitly has Gomez express uncertainty as to whose mother Grandmama actually is.
  • In the Barry Humphries vehicle The Adventures of Barry McKenzie, McKenzie, from Humphries' comic strip in Private Eye, is revealed to be the nephew of his stand-up character Mrs. Edna Everage. The films are apparently canon for Edna because she gets a damehood at the end of the sequel and has been Dame Edna ever since.
  • The Alvin and the Chipmunks films has Dave adopt the Chipettes, which makes them and the boys all adopted siblings. It however didn't change the Ship Tease between the girls and the boys. They're Not Blood Siblings but it's jarring to see Brother–Sister Incest in the franchise.
  • Barbarella: For the film, Creepy Twins Stomoxys and Glossina were made into the nieces of the Black Queen, while in the comics they had nothing to do with each other and appeared in different stories. They're still not shown interacting in the film.
  • In Batman & Robin, Batgirl is made Alfred's niece (instead of being Commissioner Gordon's daughter).
  • In Count Dracula (1977), the BBC version of Dracula, Mina and Lucy are sisters whereas in the original novel they were childhood friends.
  • The Doctor Who film Dr. Who and the Daleks had Susan and Barbara as Dr. Who's granddaughters (with the surname "Who" no less), with Ian being Barbara's boyfriend.
  • The G. I. Joe Film Series: Played straight with Cobra Commander and Baroness being siblings in the movies. In the comics, Baroness's brother was an unrelated character who was killed off.
  • In Joseph Conrad's Heart of Darkness, Marlow and Kurtz are strangers to one another. In the 1958 television adaptation, Marlow is Kurtz's protégé and adopted son.
  • Kirsty in Hellraiser was originally a neighborhood love interest for Larry/Rory Cotton in the novella The Hellbound Heart. In the movie she becomes his daughter.
  • Horror of Dracula: Arthur and Lucy are revealed as siblings in this one whereas in the original Arthur was her fiancee. (This also ends ups swapping their spouses. Arther is with Mina in this one and Harker before being turned and staked by Van Helsing is Lucy's fiancee.)
  • Jem and the Holograms:
    • Ms. Bailey is Jerrica's aunt instead of a woman that helps with the Starlight Girls.
    • Rio is Erica Raymond's, a gender-flipped version of Eric, son. In the cartoon, there was only a few years difference between them.
  • Ingmar Bergman's film of The Magic Flute makes Sarastro Pamina's father.
  • In the Marvel Cinematic Universe:
    • In Thor and its sequels:
      • Variation with Hela in Thor: Ragnarok. In the comics, she is Loki's biological daughter or was at least created by him. Here, she is actually Odin's biological daughter and the long-lost older sister of Thor (and Loki by adoption). This means that while she is no longer biologically related to Loki, she is now related to Thor. This also makes her a Composite Character with Angela, who is the comic universe's lost sister. Also inverted with Fenris. In the comics, he's Loki's son and Hela's brother. Here, she is simply Hela's servant.
    • In the comics, Ultron was built by Ant-Man and considers him his father. The MCU hadn't debuted Ant-Man yet, so the relationship was transferred to Iron Man instead, complete with the resulting daddy issues.
    • In Guardians of the Galaxy:
      • In the comics, Gamora is Thanos' adopted daughter and top assassin, and Nebula is an independent space pirate who claims to be his biological granddaughter, but it's left ambiguous as to whether or not this is actually true. In the film, both women are adopted "daughters" of Thanos, and consider each other sisters. Other "children of Thanos" are shown in Avengers: Infinity War and Avengers: Endgame; in the comics they're Thanos' Quirky Miniboss Squad the "Black Order" but for the most part not a familynote  and have no direct connection to either Gamora or Nebula.
      • In both the comics and film, Peter Quill is a Half-Human Hybrid with a Human Mom, Non-Human Dad. While the original film left the identity of the father open as a Sequel Hook, Word of God stated that it is not J'Son of Spartax as it is in the comics. Vol. 2 reveals that Quill is now the son of Ego the Living Planet.
    • In Spider-Man: Homecoming, the Vulture turns out to be Liz Allan's father. This ended up making them both Composite Characters of, respectively, the Ultimate Marvel version of The Blob (being a supervillain who's the father of his universe's Liz Allan) and Valeria Toomes from the mainstream continuity (being the Vulture's daughter).
    • Black Panther films:
      • Erik Killmonger turns out to be the cousin of T'Challa and Shuri, which is a connection that doesn't exist in the comics. By extension, this makes T'Challa and Shuri's father T'Chaka the older brother of Killmonger's father N'Jobu.
      • There is also Ramonda. In the comics, she is the stepmother of T'Challa and served as a surrogate mother to him after T'Challa's own mother died giving birth to him. In the MCU, Ramonda is T'Challa's biological mother.
    • Ant-Man and the Wasp portrays Ghost as Elihas Starr's daughter, with Bill Foster becoming her surrogate father after her real parents are killed.
  • In the 1980 Miss Marple film The Mirror Crack'd, Inspector Craddock is Miss Marple's "favorite nephew". In The Mirror Crack'd From Side to Side (and only in that book) he calls her "Aunt Jane", but she's only an Honorary Aunt.
  • In Mortal Kombat: Annihilation, Raiden and Shao Kahn are revealed to be brothers. And later it's revealed that Shinnok is their father. Which isn't canon in the video games, except for the equally non-canon Mortal Kombat vs. DC Universe.
  • In Paddington Bear, Mrs. Bird was originally the Brown's housekeeper. It would be very unusual for a present-day middle class English family to employ a live-in housekeeper, so in Paddington she is described as a relative, though what relationship she has to any of them is never stated.
  • Punisher: War Zone:
    • In its use of characters from both the mainstream books and the MAX series, makes Jigsaw the nephew of Jennifer Cesare's grandfather, Gaitano as Jigsaw didn't appear in the MAX series until the "Girls in White Dresses" arc a few months before the film's release where the Heavy was revealed to be Jigsaw's MAX incarnation.
    • Those Two Bad Guys for Nicolas Cavella, Pittsy and Ink, are father and son.
  • In the 1916 film adaptation of Snow White and the Seven Dwarfs, Snow White and the prince are Kissing Cousins.
  • In Spectre, we find out that Blofeld is Bond's older stepbrother and that his entire motivation stems from the belief that their father loved James more.
  • In Street Fighter: The Legend of Chun-Li, Rose is M. Bison's young daughter.
  • Timeline: Chris is turned into Professor Johnston's son whereas in the book the latter is only a father figure for him. Claire becomes Arnaud's sister.
  • May have been intended in the Transformers film franchise when Optimus Prime calls his arch-nemesis Megatron "brother" even thought they're robots. Also making this example a sort of Cain and Abel.
  • Most scholars believe that Achilles and Patroclus were lovers (Patroclus definitely was a close friend and mentor to the somewhat younger Achilles), but they were made cousins (and the age and mentor-student relationship reversed) in the 2004 movie Troy and the insistence on this being the reason for their closeness (and Achilles' Roaring Rampage of Revenge when Patroclus is killed) bordered on Have I Mentioned I Am Heterosexual Today?. Cleolinda Jones mocked this change mercilessly in her parody of the film.
    • This example is a subversion however, as Patroclus and Achilles really were (not very closely) related, albeit in a different way from the movie: Patroclus' grandmother Aegina was Achilles' great-grandmother, making Patroclus Achilles' first cousin once removed.
    • In the same movie, Briseis is the cousin of Hector and Paris while in The Iliad, she's not even a Trojan.
  • WarCraft: Happened to several characters from the game in this film.
    • Orgrim Doomhammer and Durotan were originally from different clans, Blackrock and Frostwolf, and their friendship was considered unusual among orcs. Here, Orgrim is a Frostwolf and Durotan's second in command.
    • Taria Wrynn, Llane's wife and Lothar's sister, didn't exist in the original and so didn't this link between Lothar and Llane.
    • Garona, who was Medivh's lover (see Fanon Discontinuity) in the original, is implied to be his daughter here.
  • The Wizard of Oz turns the Wicked Witches from The Wonderful Wizard of Oz into sisters. Quite a few later adaptations of the book also make this change with some, such as The Wiz and The Muppets' Wizard of Oz, even turning all four of the witches into sisters.
  • X-Men Film Series
    • X-Men Origins: Wolverine makes Sabretooth Wolverine's half-brother (as opposed to simply being another Weapon X experiment). Though it seemed to be Fanon before the movie was filmed, due to Dog Logan (Wolverine's half-brother in the comic) having a resemblance to Sabretooth in the end. This also makes him a Composite Character.
    • In X-Men: First Class, Charles Xavier and Mystique are foster siblings.
    • Logan sees Rictor as part of the same program that created X-23. Additionally, his source DNA/biological father is listed in his file as Dominic Petrosnote , a.k.a. Avalanche.
    • Deadpool 2:
    • Hope Summers is Cable's biological daughter instead of a child he adopts.
    • Juggernaut wears a helmet to stop his wheelchair-bound brother from reading his mind. He doesn't mention Xavier by name, but he says brother rather than stepbrother.

    Gamebooks 
  • Lone Wolf: In Fire on the Water, Lone Wolf meets separately with both Durenese Lord Axim of Ryme and Viveka the mercenary woman, but there is no hint they could be related. In the Legends of Lone Wolf novelization, those two are father and daughter.

    Literature 
  • A Tale Of...:
    • A Tale of the Wicked Queen has the Queen from Snow White and the Seven Dwarfs being the daughter of the Man in the Mirror. This explains her obsession with it. Her father was extremely abusive and hated his daughter in life. He died scorning her and ended up causing her to have major self-esteem issues. As the Slave, however, he cannot tell a lie and is forced to tell her what she wants. She takes comfort in having her father tell her that she is the most beautiful in all the land.
    • In A Tale of the Sea Witch Ursula is Triton's sister. This is reused from early The Little Mermaid scripts.
    • A Tale of the Dark Fairy reveals that Maleficent is the adopted niece of Cinderella's Fairy Godmother. Maleficent is also the mother of Aurora, who was born from a magical spell.
  • In the Nyctophobia books, Victor Frankenstein didn't stitch together and revive just any corpse, but his brother, Ernest. This also dials up the Monster's infamous angst, since he was rejected by a man he remembered as a beloved brother as well as his creator.
  • The book By Pipe or Pen is a prequel for several fairy tales, but the big twist of who the two protagonists, Felix and Robin, become means The Pied Piper of Hamelin is the half brother of Rumpelstiltskin.

    Live-Action TV 
  • The Haunting of Hill House: In the original novel, the characters come from different families and are not at all related to each other. The Netflix adaptation shows all the main characters as part of the Crain family, with most of the major characters being siblings and the children of Olivia and Hugh Crain.
  • The remake of Hawaii Five-O made Chin Ho and Kono cousins.
  • The Arrowverse:
    • Arrow:
      • Thea Dearden Queen is basically Mia Dearden reinvented as Ollie's sister. Additionally, she turned out to be the biological daughter of Malcolm Merlyn, Green Arrow's Arch-Enemy in the comics, after having an affair with Oliver's mother. For the matter, Walter Steele becomes Oliver and Thea's stepfather while in the comics he's just a minor character.
      • Yao Fei and Shado are re-imagined as father and daughter. The comic book counterparts have never even met.
      • Nyssa Al-Ghul (Nyssa Raatko) was married to Oliver in the show. They are total strangers in the comics.
      • Noak Kuttler aka The Calculator, a Birds of Prey villain, becomes the father of Felicity Smoak, a minor Firestorm character.
    • The Flash (2014):
      • The show makes Barry an honorary member of the West family, after they took him in when Barry's mom was murdered and dad was jailed for it. While Barry does see Joe West as something of a Parental Substitute, his relationship with Iris West is unchanged, making it more of a Childhood Friend Romance in this verse.
      • Also involving the West family, Wally West is introduced as the brother/son that Iris and Joe never knew they had, where in the comics he's Iris' nephew. This in turn makes Barry his surrogate brother instead of his uncle or merely his aunt's boyfriend.
      • In the comics, Axel Walker is a Legacy Character inspired by the original Trickster. In the show, he turns out to be the original Trickster's bastard son. As the main Trickster is played (as always) by Mark Hamill, we did get to hear the appropriate line from The Empire Strikes Back when their relationship, a surprise to the viewer and the second Trickster, was revealed.
      • Ronnie Raymond and Caitlin Snow are engaged throughout the first season and then married as of the first season finale. In the Firestorm comics, they're enemies as Caitlin's comics counterpart is an evil supervillain, Killer Frost. Caitlin did eventually start turning into Killer Frost thanks to With Great Power Comes Great Insanity, but by that point she had been widowed for some time, as Ronnie had made a Heroic Sacrifice almost immediately after they eloped.
      • Jesse Quick is the daughter of WWII heroes Johnny Quick and Liberty Belle in the comics; in the show she's the daughter of Canon Foreigner Harrison Wells.note 
      • Savitar is Iris' fiancé through his own past/alternate self, Barry.
      • In DC Rebirth, Barry had a daughter name Nora with the Jessica Cruz, the first female Green Lantern from Earth. She is instead presented with Iris as her mother.
    • Legends of Tomorrow: The show features Sara Lance donning the White Canary identity, making the character related to the entire Black Canary family. In the comics, the White Canary is a villain and self-appointed Arch-Enemy of Black Canary.
    • Supergirl (2015):
      • The show re-imagined Non, one of General Zod's Co-Dragons in Superman II and the comics, as Supergirl's Evil Uncle through his marriage to her mother's Evil Twin. This also makes him a part of Superman's extended family by default.
      • The show's version of Otis is the brother of Mercy Graves.
  • In the Sky1 adaptation of Going Postal, "Princess", the very young clacks tower operator, becomes the granddaughter of Grand Trunk engineer Mr Pony.
  • The Agatha Christie's Poirot often adds familial relationships not present in the original Hercule Poirot novels.
    • The adaptation of Cards on the Table adds a mother-daughter relationship between two of the suspects, partly in order to make the older woman's protection of the younger woman more plausible.
    • In Third Girl, Frances Cary becomes a half-sister of Norma Restarick, whose father left her mother for her teacher, Miss Battersby, with whom he had a relationship.
    • The adaptation of Appointment with Death makes both Dr. Theodore Gerard and Dame Celia Westholme the actual, biological parents of Jinny Boynton. In the novel, Jinny is the only biological child of Mrs. Boynton, is unrelated to Celia Westholme, and is the eventual Love Interest of Dr. Gerard.
    • Agent Colin Lamb from The Clocks is heavily in the books to be the son of Superintendent Battle. In the adaptation, he's renamed to Colin Race, and is explicitly said to be Colonel Race's son.
  • Freddy Martinez and Cara, best friends in the Goosebumps book Vampire Breath, are said to look like siblings. When it was adapted into a TV episode, they are actually siblings. They learned that they're vampires and Count Nightwing is their grandpa. While in the book, only Fred is a vampire, while Cara becomes a werewolf...
  • True Blood: Tara and Lafayette were not related in The Southern Vampire Mysteries, but in the show, they are cousins.
  • Battlestar Galactica (2003):
    • Word of God from the showrunners of the Galactica prequel Caprica is that the Eights are based on Admiral Adama's deceased half-sister Tamara. Which, if true, means that she is in fact, like, a niece.
    • Boomer is also an instance of Number Eight in the re-imagined series, so this Lieutenant Boomer and Lieutenant Athena are "identical twins", whereas the original Galactica's Lieutenant Boomer (who was a man) and Lieutenant Athena were completely unrelated.
  • In the TV adaptation of Runaways (2017), Molly is now Gert's adopted younger sister.
  • Done multiple times in adapting Super Sentai into Power Rangers:
    • In Mighty Morphin' Power Rangers, Season 3 introduces Rita Repulsa's family; her brother Rito Revolto and father Master Vile. While Vile's and Rito's counterparts were father and son in Kakuranger, Rita's was part of another series altogether. Megaforce would do something similar, making Goseiger's Big Bad part of the Gokaiger villains' royal family.
    • Inverted and played straight in Ninja Steel. In Ninninger, the Red and White Rangers were siblings and the other core Rangers were their cousins, while Starninger was unrelated to them. In Ninja Steel, the core Rangers are unrelated while the Red and Gold Rangers are brothers.
  • The Flash (1990) re-imagined Jay Garrick as Barry Allen's older brother. In the comics, Jay Garrick is merely Barry's predecessor as The Flash.
  • The Walking Dead:
    • The Greene family Zig-Zagged this as the family relationship got shuffled a bit. In the comics, Hershel only had one late wife, while the TV show split them in two. Of his canonical children, only Maggie retained her original status being his child from his first wife. Shawn was only his step-son here, while Arnold became the nephew of his first wife instead. The rest of the canonical children were Adapted Out and was filled/replaced by a daughter named Beth.
    • Another possible remix. In the comics, Tyreese has a daughter named Julie. In the show, he has a younger sister named Sasha with no sign of Julie.
    • Speaking of Tyreese, he and Carol are essentially in a Common-Law marriage in the comics. They're not related at all in the show, and their only Story Arc together are during Season 4 and the premiere of the fifth involving her mercy killing his Love Interest in the show and them being stuck in the same party after their home base is destroyed.
    • Lilly Chambler became related to the Chambler (Chalmers in the comics) family in virtue of being a Composite Character of Lily Caul (her main counterpart) and April Chalmers. This also extends to Lilly's daughter Meghan, Caul's stillborn child in the comics.
    • Due to Andrea's early death in the show, Michonne fills her role in the comics as Rick's second (Common Law) wife and stepmother to his children.
  • Happens at several points in Once Upon a Time. Due to the Arc Welding between several different tales, unrelated stories and characters are tied together into the same family.
    • Rumpelstiltskin is the son of Peter Pan.
    • Regina is the daughter of the Queen of Hearts/Miller's daughter, and the sister of the Wicked Witch of the West.
    • The families of Regina and Rumple are also tied to Snow White and Prince Charming through Emma, Neal, and Henry.
    • Gerda is the mother of Elsa and Anna, and the original Snow Queen is her sister Ingrid.
    • Played straight and inverted at the same time with the New Enchanted Forest version of the Tremaine family. The "wicked stepmother" (in addition to being Rapunzel) is actually Tremaine's first wife, meaning he's the biological father of Anastasia and Drusella and the stepfather of Ella; the exact reversal of the traditional version.
    • In the spinoff series Once Upon a Time in Wonderland, it's implied but never confirmed that one of Cinderella's stepsisters became the Red Queen of Wonderland (who later marries the Knave of Hearts, who is actually Will Scarlet).
    • Averted with Jafar, who is the (Bastard Bastard) son of the Sultan of Agrabah and lead villain of Once Upon a Time in Wonderland; at first glance, it would seem this means he's related to Princess Jasmine, but she doesn't appear in-series until Season 6 of the parent show, which reveals that Agrabah is actually a land divided into twelve provinces, each with its own Sultan, and Jafar's father was the Sultan of Lower Agrabah while Jasmine's father was the Sultan of the Capital of Agrabah.
  • In Jessica Jones (2015), Jessica is the adopted sister of Patsy Walker, a character she has no connection to whatsoever in the comics.
  • In Gotham:
  • In Luke Cage (2016):
    • Cottonmouth and Black Mariah are now cousins; they originally had no connection to one another. The second season ties a third previously-unrelated villain into the family, bringing in Nightshade as Mariah's estranged daughter.
    • Luke Cage and Diamondback are made half-brothers. They were always friends-turned-enemies in the comics, but now Diamondback is a Bastard Bastard and has resentment for their father's legitimate son to fuel his hatred.
  • In the Land of Oz books, Princess Langwidere is merely the niece of the King of Ev. In Emerald City, she is his daughter.
  • Game of Thrones
  • The Japanese remake of Orphan Black made the counterpart of Sarah Manning and Helena's birth mother Amelia and the counterpart of Siobhan Sadler (Sarah's foster mother) sisters. They're complete strangers in the original.
  • In the English dub of Ultraman, Tagalong Kid Hoshino is the younger brother of Fuji, the sole woman on the team. Although quite fitting, given the two's relationship, the problem is that Fuji is shown to have a little brother later on in the original Japanese version. The dub adjusts by changing the later-introduced kid to one of Fuji's brothers.
  • In the made-for-tv movie Hercules, Antaeus - one of the many enemies Hercules fought during his labors - is made Herc' true father instead of Zeus.
  • Krypton takes a cue from Superman: Earth One and makes Genera Zod the uncle of Superman.
  • In Altered Carbon Reileen was compiled with Takeshi Kovacs' unnamed sisters. And acquired an almost incestuous obsession with him.
  • In The New Addams Family, a remake of The Addams Family that used elements of the film series, the remake of the original series' Halloween Episode "Halloween with the Addams Family" had the notable change of making it so that the two crooks attempting to rob the Addams Family were father and son.
  • Merlin (2008):
    • Morgana turns out to be Arthur's half-sister through Uther. Traditionally Arthur's mother Igraine is the shared parent.
    • Inverted with Gawain. He's Morgause's son in most of the legends, but here is a separate character. Morgause isn't even old enough to be his mother. Agravaine was also Morgause's son in the legends and actually Arthur's nephew - but in the series is his uncle and unrelated to Morgause.
  • Camelot does likewise - Morgan and Arthur are related through Uther rather than Igraine.
  • In Cloak & Dagger comics, Tyrone Johnson had a friend called Billy who he saw get shot by a cop. In the TV series, Billy was his older brother.

    Puppet Shows 

    Radio 
  • The BBC Radio Four series The Rivals, in which Inspector Lestrade assists great 19th century detectives other than Sherlock Holmes, the episode based on Arthur B. Reeve's Constance Dunlap, Woman Detective, makes Dunlap into Lestrade's niece. This involves Adaptational Nationality (Reeves's Constance was American), probably Age Lift (Reeves's Constance was a married woman; the BBC version has just left university) and if not Adaptational Heroism, exactly, then Adaptational Lawfulness (Reeves's Constance was a criminal as much as a detective).

    Theater 
  • A Very Potter Sequel, Draco finds out that he is not truly Lucius's son, but rather his biological father is Dobby, born after Narcissa had an extramarital affair with him.
  • In the stage musical of Disney's The Little Mermaid, Triton and Ursula are siblings. This was part of Disney's original concept for the movie, but it was dropped in development.
  • In Seussical, JoJo is an Ascended Extra and the Mayor of Whoville's son, a move which was repeated in the Horton Hears a Who! film (see above).
  • In the 2014 American musical adaptation of The Hunchback of Notre Dame, Claude Frollo is Quasimodo's uncle, his brother Jehan being the father.
  • In the 2013 Starkid musical, Twisted: The Untold Story of a Royal Vizier (a parody/retelling of Disney's Aladdin), Ja'far is revealed to be Jasmine's father.
  • In The Wiz, Addapearle, The Good Witch Of The North, mentions that she is the sister of the Wicked Witch Of The East, Evamean. It also makes her sisters with Evillene, the Wicked Witch Of The West.
  • In Verdi's opera Falstaff, based on The Merry Wives of Windsor, this trope is both played straight and inverted as Anne Page becomes Nannetta Ford, with her now-father Master Ford taking on Master Page's role in the action (the latter being Adapted Out) as well as his own, and her original mother Meg Page relegated to a smaller role.
  • In the original penny dreadful and early theatrical treatments of Sweeney Todd: The Demon Barber of Fleet Street, Johanna has no personal connection to Sweeny and only investigates him because she suspects her missing boyfriend has been done in by the Serial Killer barber. Starting in the 1973 stage adaptation, she's Todd's daughter, whom his arch-enemy adopted after having convicted him on a false charge.
  • Word of God is that the Pokémon musical Pokémon Live! implies that Giovanni is Ash's biological father.
  • Subverted in Wicked. In the original book it's intentionally vague if Nessarose is Frexspar's or Turtle Heart's daughter. The musical Adapted Out Turtle Heart, making Nessarose into Frex's biological daughter for sure. Two books later it was confirmed that Nessarose is also Frexspar's daughter in book canon. This trope is played straight in books and musical alike with Nessarose and Elphaba, though: the two wicked witches in The Wonderful Wizard of Oz aren't related, but here they're sisters (actually half-sisters), as in the classic film.

    Video Games 
  • Zigzagged. The transition of Harvest Moon 64 to Harvest Moon: Back to Nature changed a large portion of the characters' relationship with one another.
    • Karen used to be Sasha's and Gotz's daughter; however, in Back To Nature her father became Jeff, who was originally Elli's father figure (and love interest). Gotz is now a widower.
    • Stu is Elli's little brother in Back To Nature. Originally he was unrelated.
    • Rick was originally Gray's and Ann's cousin. In Back To Nature he is Popuri's older brother instead, despite still looking related to Ann (they're redheaded while Popuri has pink hair).
  • In the original Metal Gear games for the MSX2, Big Boss was simply Solid Snake's commanding officer who ends up becoming his nemesis. When the franchise was later revived with Metal Gear Solid, Solid Snake was revealed to be Big Boss's son, or more specifically a genetically modified clone of him, with one CODEC conversation implying that Big Boss imparted that knowledge to Snake during the events of Metal Gear 2, even though no such scene actually occurs in that game. This eventually allowed a younger version of Big Boss to be introduced in the prequel Metal Gear Solid 3, where he goes under the codename Naked Snake.
  • In The Punisher, Jigsaw turns out to be the son of Howard Saint, the Big Bad of the 2004 live-action movie.
  • In the video game adaptation of X-Men Origins: Wolverine, John Wraith is heavily implied to be Nightcrawler's father. This actually lines up rather nicely, indicating Nightcrawler got his teleportation powers from Wraith and his blue skin from Mystique, who was Wraith's lover in this continuity.
  • The tie-in game for Spider-Man 3 made Morbius and Shriek husband and wife—despite their comics counterparts being enemies in Maximum Carnage, where the latter also had the hots for the titular Carnage.
  • Alice In The Mirrors Of Albion, which is set in the Fairy Tale Free-for-All city of Albion, has the Little Red Riding Hood appear as the Mad Hatter's niece.

    Web Original 
  • In the Robin Hood legends, Guy of Gisbourne is a hitman hired by the Sheriff of Nottingham. In the cyberpunk miniseries Sherwood, Lord Nottingham and Gisbourne are father and son.
  • In What if Nappa Turned Good?, Bra ends up being the daughter of Bulma and Yamcha. This is due to Vegeta having stayed dead past the Namek saga, and also leading to Trunks not existing in this timeline.

    Web Comics 

    Web Videos 
  • The Lizzie Bennet Diaries inverted this several times:
    • The Bennet family Zig-Zagged this as the family relationship got shuffled a bit. In the novel, there are five Bennet sisters. Here, only the eponymous protagonist, Jane, and Lydia retained their original status as sisters. Mary was only their (paternal) cousin here, while Kitty became Lydia's pet cat instead.
    • Mr. Collins in the novel is a cousin to the Bennet girls who wants to marry one of them (specifically, Jane first before setting his sights on Lizzie), then ultimately settles for Lizzie's best friend Charlotte Lucas after being rejected. Here, he is not related to the Bennets and he never marries Charlotte (he becomes her boss instead).

    Western Animation 
  • Young Justice:
    • Cheshire becomes the sister of Artemis, and therefore the daughter of the original Huntress and Sportsmaster. This entails Artemis and Huntress getting a Race Lift.
    • Martian Manhunter and Miss Martian are uncle and niece, while they're unrelated in the comics. Word of God confirms that this is true, despite the revelation that Miss Martian is actually a White Martian.
    • Zig-Zagged: instead of being Martian Manhunter's brother, the villain Ma'alefa'ak is actually M'gann's little brother M'comm, and thus Manhunter's nephew.
    • Lynn Stewart, Black Lightning’s ex-wife, is also the sister of John Stewart, the Green Lantern. note 
    • Nabu was one of Vandal Savage’s countless children.
    • Played With: In the comics, Halo's real name was Violet Harper, but she had no connection to Roy Harper. Here, Halo uses a pseudonym, and Roy casually offers his surname when she can't come up with one.
  • In Martin Mystery the main character and his female partner in paranormal investigating are step siblings. In the comics the show is based off of she's his unrelated Love Interest.
  • The Spectacular Spider-Man:
    • In the Spider-Man comics Silver Sable and Silvermane are a completely unrelated mercenary and gangster. In The Spectacular Spider-Man Silver Sable is Silvermane's villainous daughter. Thus her real name was changed from Silver Sablivona to Sable Manfredi.
    • The series also combines this trope with Composite Character. In the comics Uncle Ben's killer is a nameless street thug. In the cartoon, he's Black Cat's father The Cat.
    • In the comics, Liz Allan has a step-brother named Mark Raxon with whom she's very close; in this series they're blood siblings with the surname Allan.
  • Spider-Man (1967) had Mary Jane Watson as the niece of Captain Stacy, to whom she was unrelated in the comics. This let her carry some of the role of Gwen Stacy, Spidey's other major love interest in the comics, who wasn't used in the series.
  • In the Donkey Kong segment of Saturday Supercade, Pauline was Mario's niece, rather than girlfriend. (Luigi had not debuted in Mario Bros. yet, making this adaptation very Hilarious in Hindsight.)
  • Sabrina: Secrets of a Teenage Witch:
    • Shinji is Enchantra's son.
    • Enchantra and Della (renamed Spella) are sisters.
  • Teenage Mutant Ninja Turtles: Karai in the original Mirage comics was simply Shredder's top agent. In the 2003 cartoon she is his adopted daughter. In the 2012 cartoon she appears to be Shredder's biological daughter, but it's later revealed he kidnapped her in infancy and raised her, but she's actually Splinter's biological daughter (making her the turtles 'step'-sister.)
  • He-Man and the Masters of the Universe (2002) made Man-At-Arms and Fisto brothers. Also there was some implication (though never confirmed) that either Man-At-Arms or Fisto was Teela's biological father. In the Filmation cartoon Teela was Man-At-Arms' adopted daughter and her biological father was an unnamed soldier who had died years before, while in the original minicomics Teela was a clone of the Sorceress created by Skeletor.
  • My Little Pony: Friendship Is Magic:
  • X-Men: Evolution: Xavier and Juggernaut are changed from step-brothers to half-brothers.
  • In the 2014 Rainbow Brite reboot Brian is a descendant of Krys. In the original continuity they co-exist in the same time period, but never meet each other.
  • G.I. Joe: The Movie turned Lt. Falcon into Duke's half-brother. The later G.I. Joe: Renegades series take it a step further by revamping him into Duke's full-blooded brother Vincent Hauser, who is considerably younger in this incarnation (not even old enough to join the military yet).
  • Guardians of the Galaxy (2015) sees Korath as one of Thanos' "children" and thus is the adopted brother of Gamora and Nebula, whereas even the film suggests Korath is a member of the Kree Empire.
  • In the Silver Surfer animated series, a typographical error in the script caused Thanos to be Mentor's brother, rather than his son.
  • In The Incredible Hulk, Ogress is one of the Gamma Warriors cloned from the Hulk's DNA, in contrast to the comics, where she was simply a lawyer who was mutated by the Leader's gamma bomb.
  • Skylanders Academy has Cynder as the daughter of Malefor.
  • Spider-Man: The Animated Series sees the Red Skull as the father of Electro and the Chameleon (the former being Electro in-name and costume only, the latter was adopted). Also inverted with the latter as the Chameleon isn't the half-brother of Kraven.
  • In Marvel's Spider-Man, Gwen Stacy turns out to be the niece of Raymond Warren/The Jackal.
  • Both inverted and played straight with Madame Masque in Iron Man: Armored Adventures as she's reimagined as the Iron Monger's daughter, yet her comic book father, Count Nefaria, also appears.
  • Wacky Races (2017) established that the Gruesome Twosome are brothers, when the original cartoon never indicated that they were related.
  • Little Shop, the Animated Adaptation of Little Shop of Horrors, makes Audrey into Mr. Mushnik's daughter, rather than just his employee.
  • In Voltron: Legendary Defender, Haggar is Zarkon's wife and Lotor's mother. This serves as a Mythology Gag as Haggar's Golion counterpart is Zarkon's counterpart Daibazaal's mother.
  • She-Ra and the Princesses of Power:
    • Adora and Catra are turned into Shadow Weaver's adopted daughters.
    • Castaspella is turned into King Micah's sister, making her Queen Angella's sister-in-law and Glimmer's aunt.
  • In the British television series, TUGS, Ten Cents and Sunshine were best friends, and were both male. In the American Cut-and-Paste Translation, Salty's Lighthouse, Sunshine became female and Ten Cents' younger sister.

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