History Main / OutNumberedSibling

* In ''WesternAnimation/TheIncredibles'', Bob and Helen have three children, one daughter, and two sons.

* ''LightNovel/AscendanceOfABookworm'': When the female protagonist GetAdoptedIntoRoyalty (technically nobility), the nobleman passing her off as her formerly SentIntoHiding biological daughter and her adoptive father have, between them, four sons whith whom she's allowed to interact as full siblings and no daughters. The mother of the protagonist's three "biological" brothers is rolling with the whole thing in part because it allows her to finally have a part in raising a daughter. When her adoptive father's only biological daughter approches the age of leaving the nursery that only parents and full biological siblings are allowed to visit, the protagonist and her adoptive sister are both very happy at the idea of having each other.

* ''Literature/TheBerenstainBears'': Brother Bear is the oldest and only son of the Bear Family's three siblings, who were added in as the series went on, with Sister Bear being added in "The Berenstain Bears' New Baby" in 1974, followed by a second sister, Honey, in "The Berenstain Bears and Baby Makes Five" in 2000.

* Meg Griffin from ''WesternAnimation/FamilyGuy'' and Roberta Tubbs from ''WesternAnimation/TheClevelandShow'', the respective only females of three children.

* Downplayed with the ''Film/{{Halloweentown}}'' movies: Dylan is the middle child/only boy in his family, and generally stands out from his two sisters, one older and one younger, due to being a nerd who DoesNotLikeMagic, whereas they have embraced their [[WitchSpecies witch heritage]] enthusiastically. That is, until the climax of the first movie, in which, in a fit of rage at the BigBad, he discovers, much to his surprise/disappointment, he has magical properties of his own, which he must combine with his sisters' magical properties (along with those of his mother and grandmother) in order to defeat the villain. Even then, he only accepts his training as a warlock somewhat grudgingly.

* Downplayed with the ''Film/{{Halloweentown}}'' movies, Dylan is the only boy, and generally stands out from his younger sisters due to being a nerd who DoesNotLikeMagic.

* Alex as the middle child on ''Series/WizardsOfWaverlyPlace'', sandwiched between two brothers.

* Joey from ''Series/{{Friends}}'' has seven sisters and he's the only male.

* Daphne from ''{{Series/Frasier}}'' has... what is it? Six brothers? She talks about them a lot.

** Kim is the oldest and only daughter of three kids--her two younger brothers also happen to be [[AlwaysIdenticalTwins identical twins]].

* At the end of ''WesternAnimation/LadyAndTheTramp,'' the titular dog couple eventually become the parents of four puppies: three daughters who look identical to their mother and [[ComicStrip/{{Scamp}} a son who looks identical to their father]].

* Meg Griffin from ''WesternAnimation/FamilyGuy'' , the only female of three children.
** The same goes with Roberta Tubbs from ''WesternAnimation/TheClevelandShow''.

''Highly'' expect AnnoyingYoungerSibling, BigBrotherBully and/or CainAndAbelAndSeth to come into play and for creators to throw in a MissingMom (for a girl) or a DisappearedDad (for a boy) for added effect. Extreme cases may include a PromotionToParent as well.

* Meg Griffin and Roberta Tubbs from ''WesternAnimation/FamilyGuy'' and ''WesternAnimation/TheClevelandShow'', respectively, the only respective females of three children.

* Meg Griffin from ''WesternAnimation/FamilyGuy'', the only female of three children.

** Harry and Ginny’s daughter Lily is the only girl in the family as well. She’s got two older biological brothers and a godbrother whom she clearly sees as a third.

* One season of ''Series/TheAmazingRace'' was a "family edition", which consisted not of teams of two, but of families of four. The family that ultimately won the race were the Linzes, which comprised of three brothers (Nick, Alex and Tommy) and one sister (Megan). Another team was the Weavers, which included a widowed mother and her two daughters (Rebecca and Rachel) and one son (Rolly).

* Alex as the middle child on ''Series/WizardsOfWaverlyPlace''.

** Interestingly, it's not Ginny, but Ron who feels like TheUnFavorite. The last book reveals that one of his [[ClassicalAntiHero many]] insecurities is that, as the youngest boy, he's his parents last ''failed'' attempt at having a girl.

* ''Literature/YoungWizards'': Kit Rodriguez is The youngest and the only son of his family. He has two older sisters.

* ''Manga/RoseOfVersailles'': [[PlayingWithATrope Played with]] in Oscar's case: she is the youngest of the six daughters and does see herself as a girl, but as her father was desperate in need of [[HeirClubForMen a heir]] by the time she was born, she ended up being RaisedAsTheOppositeGender and grows up to be a very strong, gentlemanly {{Bifauxnen}} who is very popular [[DudeMagnet with]] [[EvenTheGirlsWantHer both genders]], and actually shows signs of being genderfluid in the manga and feels thankful that her father raised her as a boy, [[TomboyAndGirlyGirl in stark contrast]] to her girly sisters.

** In ''Film/TheSmurfs2'', Gargamel creates a sister for Smurfette in the form of Vexy.
* ''Comicbook/BraveChefBrianna'': Brianna has 15 brothers and no sister.
* Comicbook/{{Batman}}: It doesn't come up much, but in the pre-Flashpoint continuity, [[ComicBook/Batgirl2000 Cass]] (the second Batgirl) is Bruce's only daughter, while four Robins ([[ComicBook/{{Nightwing}} Dick]], [[ComicBook/RedHood Jason]], [[ComicBook/RobinSeries Tim]], and Damian) are all his sons.

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* Lucy van Pelt, from ''ComicStrip/{{Peanuts}}'', following [[https://www.gocomics.com/peanuts/1972/05/23 the birth of Rerun]] in May 1973.
-->'''Lucy''': A new baby brother?!! But I just got rid of the old one!!!
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* ''WesternAnimation/DuckTales2017'':

* ''Manga/CardCaptorSakura'': Syaoran has four older sisters: Xiefa, Fuurie, Huenli and Feimei). According to the first movie, all of them are {{Genki Girl}}s ''and'' [[CutenessProximity hilariously obsessed with cute things]]. He does not seem thrilled about it.