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A Boy, a Girl, and a Baby Family

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There's also the family pets, but who's counting?

Or a Boy, a Girl, and Baby siblings. Not only are families with three kids common in TV land, but often they are made with a boy, a girl and a baby of either sex (nearly 50/50 ratio).

And that kind of family has immutable rules:

  • The two elder siblings are very close in age, between one and three years. The eldest sibling can be either sex, but it is usually a girl. The odds of the oldest being a girl seem to go up with the size of the age gap between the two older siblings.
  • On the opposite end of the scale, the youngest is far from them, between five and 14 years younger.
  • The boy and girl are between ages 7 and 15 years: not too young children and not too old teens, either.
  • The baby is not an infant: more like a toddler between six months and 2 years old, but too young to talk.
  • Just because one can't walk or talk yet does not mean that the infant sibling is good for nothing or powerless. On the contrary, the infant is often shown to be the most powerful in the family (if applicable), or a Brainy Baby, or a Little Miss Badass. Even when they are only the Plucky Comic Relief for most of the story, the baby can save the day at the very end as the Big Damn Hero.

The reason? Brother and Sister have the target audience's age and allow everyone in the audience to identify with the sibling of the same gender. The baby could also be a substitute for a child while the siblings are "parents". It also allows the writers to have starring characters for Always Male and Always Female plots or tropes, and the baby as a child substitute, a third man or younger sibling role. The sex of the baby varies as gender doesn't make as much of a difference for infant characters. Alternatively, the baby can take the role of a Team Pet.

See also Sibling Team.



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     Anime and Manga 

  • Ken and Miyako's children, at the end of Digimon Adventure 02.
  • In the manga Kocchi Muite Miiko, the Yamada family has Miiko, Mamoru, and their baby sister Momo.


  • At the very end of the Superjail! fanfic Extended Stay, the Warden and the Mistress's family has been established as this with their mixed-gender twins Matilda and Ethan and the "baby" Edward. (Although at this point, the twins are twenty years old; their brother being about four years younger than them.)
  • Kyoshi Rising, Kyoshi is the youngest of three (her older sister being approximately nine years older), and also the only Bender in the entire family (not to mention the latest incarnation of the Avatar).

     Film — Animated  

     Film — Live-Action  

  • Pugsley, Wednesday and Pubert Addams in the second movie of The Addams Family.
  • Nick, Amy and Adam Szalinski in Honey, I Shrunk the Kids franchise (although they didn't appear together, since Amy had left home for college by the time Adam was introduced).
  • In the short 1950s film A Date With Your Family (seen on Mystery Science Theater 3000), the family in question included teenaged "Son" and "Daughter" and their little brother "Junior." They're an older variant on the trope; "Junior" is around eight.
  • The Cooper Family from Alexander and the Terrible, Horrible, No Good, Very Bad Day consists of two boys (Anthony and Alexander), a girl (Emily) and a baby (Trevor).


  • The Baudelaire siblings from A Series of Unfortunate Events.
  • The 10-year old twins Kestrel and Bowman Hath and their infant sister Pinto in The Wind Singer. In the later books of The Wind On Fire, the characters age.
  • In the old Dick and Jane books, the two eponymous characters along with their toddler sister, Sally.
  • The Balicki family from The Silver Sword.
  • The Berenstain Bears, at least since the addition of baby Honey Bear.
  • Little Critter has had the main family like this since the late 80s, with the additions of Little Critter's younger siblings Little Sister and an unnamed baby brother (originally also a sister.)
  • Tash and Zak Arranda in Galaxy of Fear are being looked after, with some difficulty, by their uncle. When they find a baby they want to adopt him and make this, but he's actually a Tyke-Bomb.
  • In the Flossie Teacake books by Hunter Davies, the title character has two siblings (a brother and sister) who are seven and nine years older than her. All three characters are based on the author's real-life children.
  • In the children's book ''Boundless Grace" by Mary Hoffman, Grace laments that she doesn't have a "real family" like in her stories with a Mom, Dad, brother, girl, baby, cat, and dog. A trip to Africa to visit her father, helps her understand that families take many different forms.
  • Olivia, Ian, and William in Olivia.
  • At the end of Return to Planet Tad, the title character Tad and his Child Prodigy / Annoying Younger Sibling sister Sophie learn that their family will soon become this, with a new baby boy on the way. Neither is very enthused at first, but Tad begins to warm to the idea after learning that he will be a role model for his little brother, someone who can teach him right from wrong (he and his father agree that they can't count on Sophie for that) and that he'll be getting his own room.
  • Both families in The Doll People have a tween daughter, a slightly younger son, and a baby. It's lampshaded too.
  • The later books in the clementine series, beginning with Clementine and the Family Meeting, feature Clementine dealing with the fact that her family is soon to be this. In Clementine and the Family Meeting, she and her little brother first found out about it at the titular meeting. At first, Clementine is not at all happy about it because she feels their family is perfect as it is, and also doesn't see how the addition of a baby to the family is going to solve any of her problems. She begins, however, to warm up to the idea, due to a number of factors, such as learning from her grandparents that she was a very responsible and protective big sister to her little brother when he was born.
  • Star Wars Legends has Han and Leia's kids: the twins Jaina and Jacen Solo, and their little brother Anakin.
  • The Misadventures of Max Crumbly has Max, Megan and Oliver Crumbly.

     Live Action TV  

  • Robbie, Charlene and Baby Sinclair in Dinosaurs.
  • Good Luck Charlie started out as a series with two boys (P.J. and Gabe), a girl (Teddy) and a baby (Charlie). As the series progressed, Charlie grew up and Toby was born, making it a series with two boys, two girls, and a baby.
  • In the fourth season of ALF, the Tanner family consisted of this, with Lynn, Brian, and Eric.
  • Wizards of Waverly Place has girl Alex, boy Justin, and their older-than-average little brother Max. In fact, the age spacing between the three of them seems suspiciously believable.
  • Stranger Things: The Wheelers have Nancy, Mike, and their barely-relevant toddler sister, Holly.
  • Mad Men has the Draper children; Sally, Bobby, and baby Gene, although their parents split up soon after Gene's birth, so the "family" aspect is downplayed.

     Newspaper Comics  

  • Zoe, Hammie and Wren from Baby Blues, eventually.
  • For Better or for Worse, back when April was still a baby.
  • For a short time after Rerun was born, there's Lucy, Linus and Rerun van Pelt in Peanuts.
  • The family from FoxTrot would have followed this back when Jason was a baby (more or less — Paige would have only been four or five), although we never get to see that time except in the rare Flash Back.

     Video Games  

  • If you make it back to Funkotron at the end of ToeJam & Earl, Toejam is revealed to have two younger twin sisters and a baby sibling in his family.


     Western Animation  

  • Bart, Lisa and Maggie Simpson in The Simpsons.
  • Chris, Meg and Stewie Griffin in Family Guy.
  • Arthur, DW and Baby Kate in Arthur, although DW is only four years old, eventually aged up to five.
  • Doug, Judy and Cleopatra "Dirtbike" Funnie in Doug when the last one was born in the Disney version. The episode "Doug's Thanksgiving" even lampshades this by having a PR exec scouting for the quintessential "average" family, which must have "2.5 children — a boy, a girl, and a baby with a quirky name!" No points for guessing who he picks.
  • PB&J Otter: Peanut (brother), Butter (baby sister) and Jelly Otter (sister). Another slight aversion from the normal rules - Baby Butter is old enough to talk a little at least, and while the ages aren't certain, she may be only about three or four years younger that Peanut and Jelly.
  • The Lionhearts also plays this straight.
  • Birdz too.
  • Buzzbee and his familly on The Hive
  • Subverted in The Buzz on Maggie with two boys, a girl, and a baby.
  • The Legend of Korra, Sequel Series to Avatar: The Last Airbender, reveals that Aang and Katara had three children together: Bumi, Kya, and the "baby" Tenzin.
    • Averted with Tenzin's own family, however, since his two oldest are girls, Meelo is too old to be a baby anymore, and another (boy) baby arrives at the end of the first season.
  • An animated series based on the Fisher-Price toys called "Little People" (one episode can be seen here) involved a family whose children were Timmy, Penny, and "Baby Sister," who apparently didn't get her own name.
  • The Duff Family from the Tiny Toon Adventures episodes, "Take Elmyra Please" and "Grandma's Dead" consists of two girls (Amanda and Elmyra), a boy (Duncan) and a baby (aptly named "Baby").
  • Peter Rabbit has a boy (Peter), two girls (Flopsy and Mopsy), and a baby (Cotton-Tail).
  • In Bobby's World, from the fourth season onwards, the Generic Family consisted of a girl (Kelly), two boys (Derek and Bobby), and two babies (Jake and Al).
  • The Jayce and the Wheeled Warriors episode "The Slaves of Adelbaren" contains a reversal of this trope, with the Lightning League encountering a teenaged girl whose much younger brother and sister are being held hostage by the Monster Minds.
  • Literally taken Up to Eleven in The Loud House. The Loud Family consists of nine girls (Lori, Leni, Luna, Luan, Lynn, Lucy, Lana, Lola, and Lisa), one boy (Lincoln) and one baby (Lily).
  • Perkin, Posie, and Pootle (boy, girl, and toddler, respectively) in The Flumps.
  • Subverted with the Freemaker trio in LEGO Star Wars: The Freemaker Adventures, with Zander (boy), Kordi (girl) and Rowan (another boy), who is the youngest, but as a preteen, not a baby.
  • My Little Pony: Friendship Is Magic has the Apple siblings: Applejack, her older brother Big Macintosh, and their younger sister Apple Bloom.
  • On Chip and Potato, Chip and Spud's baby sister is born a little more than halfway through the first season of the series; Little Momma is shown pregnant with her beforehand. Chip is just starting kindergarten and Spud is maybe a year or two older.


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