History Main / FormerlyFriendlyFamily

** Finally, there's Lee Choulan, who's Heihachi's adopted son and thus the adopted brother of Kazuya and adopted uncle of Jin. Initially he was something of an OpportunisticBastard who worked with Heihachi or Kazuya against the other, but he was eventually exiled and after seeing how badly things were going for the world due to the Mishima family feud, he ultimately ended up teaming up with Lars to try and put a stop to things, positioning himself as a BigGood who was trying to prevent the others from wrecking the world with their fight.

* ''Anime/StarWarsvisions'': "Lop & Ocho": Lop is a runaway slave adopted by Yasaburo at the insistence of his daughter Ocho. They become close as sisters, but as Imperial oppression continues under the guise of bringing the backwater world of Tao to modernity, Ocho believes working with the Empire is the right solution, while Yasaburo starts resorting to terrorism to fight back. It culminates in Ocho joining the Empire for good, Lop inheriting their father's heirloom lightsaber, and Ocho disowning her sister.

Also see BigScrewedUpFamily.

Sub trope of WeUsedToBeFriends and DysfunctionalFamily.

* ''VideoGame/PaperMarioTheThousandYearDoor'': Downplayed with [[QuirkyMiniBossSquad The Shadow Sirens]]. Beldam bullies both of her sisters but they work together and all start out as enemies to Mario, but after Beldam [[MistreatmentInducedBetrayal mistreats]] the youngest sister, Vivian, one too many times, she gets fed up and [[HeelFaceTurn switches over to Mario's side]], where she stays for the rest of game. In the epilogue, they do make up.

* ''Tekken 7'' reveals that while Kazuya loved his mother so much as to [[spoiler:try to avenge her after Heihachi killed her, she saw Kazuya as nothing but another aspect of her mission. In fact, she had already arranged for [[GuestFighter Akuma]] of ''Franchise/StreetFighter'' fame to kill both her husband and son if anything ever happened to her. Kazuya overhears Akuma telling Heihachi this and is genuinely surprised and ''hurt'' to learn that his beloved mother had wanted to kill him. However, being Kazuya, he quickly laughs at the irony, as it no longer mattered.

* ''WesternAnimation/DuckTales2017'': At the beginning, Donald Duck and his uncle, Scrooge [=McDuck=], haven't spoken for over ten years. Donald drops Huey, Dewey, and Louie off at Scrooge's mansion so they stay out of trouble while Donald goes to a job interview. [[spoiler:This trope is subverted, as they reconcile at the end of the first episode. Later, it is revealed that their conflict stems from Donald's twin sister and the triplets' mother, Della, getting lost in space, and Scrooge not doing enough to search for her in Donald's eyes. In the penultimate episode of Season 1, Scrooge's family abandons him as the triplets learn the truth about their mother, but their feud is over by the season finale.]]

* ''WesternAnimation/{{DuckTales|2017}}'': At the beginning, Donald Duck and his uncle, Scrooge [=McDuck=], haven't spoken for over ten years. Donald drops Huey, Dewey, and Louie off at Scrooge's mansion so they stay out of trouble while Donald goes to a job interview. [[spoiler:This trope is subverted, as they reconcile at the end of the first episode. Later, it is revealed that their conflict stems from Donald's twin sister and the triplets' mother, Della, getting lost in space, and Scrooge not doing enough to search for her in Donald's eyes. In the penultimate episode of Season 1, Scrooge's family abandons him as the triplets learn the truth about their mother, but their feud is over by the season finale.]]

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* ''WesternAnimation/CodenameKidsNextDoor'' has sisters Abby aka Numbuh 5 and her older sister Cree, formerly Numbuh 11. Back when Cree was still a KND operative, she and Abby were as tight as could possibly be, with Cree even being the prior owner of Abby's CoolHat. However, in present day, Cree is now a teen and a traitor to the KND, as well as being a common minion of [[BigBad Father's]], with the two now being bitter enemies.
** Numbuh 3 and her younger sister, Mushi, start the show very close, with there being hints that Mushi [[BigBrotherWorship looks up to Kuki]]. Then Mushi ends up falling for King Sandy and things take a turn for the worse. She ends up [[spoiler:stabbing Kuki's Posh Party rainbow monkey]], leaving the sisters hating each other.

* ''WesternAnimation/DuckTales2017'': At the beginning, Donald Duck and his uncle, Scrooge [=McDuck=], haven't spoken for over ten years. Donald drops Huey, Dewey, and Louie off at Scrooge's mansion so they stay out of trouble while Donald goes to a job interview. [[spoiler:This trope is subverted, as they reconcile at the end of the first episode. Later, it is revealed that their conflict stems from Donald's twin sister and the triplets' mother, Della, getting lost in space, and Scrooge not doing enough to search for her in Donald's eyes. In the penultimate episode of Season 1, Scrooge's family abandons him as the triplets learn the truth about their mother, but their feud is over by the season finale.]]

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* ''WesternAnimation/AvatarTheLastAirbender'' gives us Zuko and Iroh. Both were once close with [[BigBad Ozai]] and [[TheDragon Azula]], but following Zuko's banishment, Iroh doesn't view them as highly and has joined the [[BenevolentConspiracy White Lotus]] in hopes of defeating them. It takes Zuko far longer, as he still clings to a belief he can impress his father, but after both he and Azula take a flying leap over the MoralEventHorizon, Zuko realizes she's been on the wrong side of the war and does a HeelFaceTurn, leaving them as enemies for the remainder of the series.

* ''WesternAnimation/LegendOfTheGuardiansTheOwlsOfGaHoole'': Brothers Soren and Kludd start off close as could be, until they are kidnapped by the Pure Ones. At that point, Kludd slowly ends up believing the Pure Ones's mission and attempts to sabotage an escape attempt Soren makes. It ultimately ends with the two brothers fighting in a [[BattleAmongstTheFlames flaming forest]] followed by [[spoiler: Kludd seemingly falling to his death]].
* ''WesternAnimation/ThePrinceOfEgypt'': Moses and Rameses are very close at the start of the movie, with Moses even trying to defend him from their father. Even after Moses returns many years later, both want to continue their close relationship. However, due to Moses being the one who has the free the slaves, he is forced to do worse and worse things to the people Rameses rules over as Rameses continues to refuse, despite Moses begging him to. Finally, after the final plague which results in the death of [[spoiler: every first born son in Egypt]], Rameses lets the slaves go. However, at the crossing of the sea, Rameses returns to try and kill all the slaves, Moses included, making it clear things are over between the two former brothers.

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** For most of the series, Jaime was the only immediate family member that Tyrion had a good relationship. Near the end of the third book, Jaime confesses that years ago he lied about Tyrion's first wife, Tysha, being a whore paid to take his virginity when in reality she was genuinely in love with him. Feeling furious and betrayed, Tyrion lashes out by falsely confessing to murdering Jaime's son and exposing the fact that Cersei had been cheating him.

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** Heihachi Mishima used to be deeply in love with his wife, Kazumi. However, when she reveals that the only reason she married him was [[spoiler: to assassinate him before his ambitions for world conquest ruined the world, he is forced to kill her in self-defense]]. In turn, this made Heihachi bitter towards not only her, but their son (because he had the same supernatural curse in his blood that she did). Likewise, when a young Kazuya learned that Heihachi had killed his beloved mother, Kazuya attacked him. Then, both as a test to see if the boy would succumb to his curse and out of spite, he tossed Kazuya off a cliff. Sure enough, the Devil took hold and from that moment on, both father and son were mortal enemies.

** After Jin himself underwent a FaceHeelTurn upon seizing control of the Mishima Zaibatsu, one of his strongest subordinates in the Tekken Force was Lars Alexandersson, who is later revealed to be Kazuya's half-brother (and thus, Jin's half-uncle). While their relationship was mostly that of commander and loyal subordinate (as neither new they were family at the time), the moment that Jin betrayed him and got the men under his command killed, Lars and Jin became bitter enemies, and in fact, being part of the same family they both despised only made their animosity that much greater. In ''VideoGame/Tekken7'', the two are forced to [[EnemyMine bury the hatchet]] to deal with [[spoiler: Kazuya, who had finally killed Heihachi and was now poised to conquer the world unopposed.]]

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* ''Manga/{{Naruto}}'': Sasuke once [[BigBrotherWorship adored]] his older brother Itachi until Itachi murdered their entire clan, leaving Sasuke orphaned and traumatized

* ''WesternAnimation/AvatarTheLastAirbender'' gives us Zuko and Iroh. Both were once close with [[BigBad Ozai]] and [[TheDragon Azula]], but following Zuko's banishment, Iroh doesn't view them as highly and has joined the [[BenevolentConspiracy White Lotus]] in hopes of defeating them. It takes Zuko far longer, as he still clings to a belief he can impress his father, but after both him and Azula take a flying leap over the MoralEventHorizon, Zuko realizes she's been on the wrong side of the war and jumps sides, leaving them as enemies for the remainder of the series.
* WesternAnimation/DuckTales2017: At the beginning, Donald Duck and his uncle, Scrooge [=McDuck=], haven't spoken for over ten years. Donald drops Huey, Dewey, and Louie off at Scrooge's mansion so they stay out of trouble while Donald goes to a job interview. [[spoiler:This trope is subverted, as they reconcile at the end of the first episode. Later, it is revealed that their conflict stems from Donald's twin sister and the triplets' mother, Della, getting lost in space, and Scrooge not doing enough to search for her in Donald's eyes. In the penultimate episode of Season 1, Scrooge's family abandons him as the triplets learn the truth about their mother, but their feud is over by the season finale.]]

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This trope is based on when family members for whatever reason, end up fighting one another for whatever. Generally, this is because of one member making a HeelFaceTurn or the [[FaceHeelTurn inverse]]. This rarely if ever comes up in works where StatusQuoIsGod. If a family member changes sides, then they are fighting their former family until the series ends or someone ends up dead. See BigBrotherBully, , CainAndAbel, AbusiveParents, ArchnemesisDad, HatesTheirParent, GruesomeGrandparent, and EvilUncle for examples of characters that tend to end up here.

Note that in order for families to count, both sides have to know that they were family before they started fighting. So Darth Vader and Father(the one from ''WesternAnimation/CodenameKidsNextDoor'') don't count as the family they were fighting didn't know about their relationship until later in the series.