History Main / NotBloodNotFamily

* In the backstory of ''ComicBook/TheGoodAsian'', main character Edison Hark's mother was a maid to the rich Mason Carroway when he was a boy. After she was killed during a burglary, Mason adopted Edison and raised him like a son, and Mason's son Frankie, who had been friends with Edison before this, also treated Edison like family. Mason's daughter Victoria, however, was not so kindly disposed to Edison, as she believed Edison was using her father as a MealTicket (which was not ''entirely'' unfounded, as before her death Edison's mother had forcefully pushed him to ingratiate himself to the Carroways, believing that being friends with the heir to a rich white family gave a Chinese-American boy in the 1920s a lot more opportunities than he'd otherwise get), and once [[KidsAreCruel cruelly told him]] "You're not my brother, you're trash my father gave a home." It would take years before Edison won her over.
* In the ''Comicbook/{{Nightwing}}'' storyline "The Crew of the Crossed", Captain Blüd is a hereditary title. The current Captain Blüd is the chosen daughter of the previous one, but her adoptive brother rejects his father's choice and insists that being Blüd's biological son makes him the ''true'' heir to the title.

SubTrope of ThickerThanWater. Related to NotBloodSiblings. ObnoxiousInLaws and {{Wicked Stepmother}}s will sometimes hold this sentiment. Overlaps with AdoptionDiss if a person expresses this sentiment towards an adopted person or AdoptionAngst if the adoptee holds this view about themselves. Overlaps with YoureNotMyFather if a person is saying this towards their step-father, foster father, or other father figure. FamilyOfChoice is the antithesis to this idea; also contrast FriendsAreChosenFamilyArent if a person actively prefers their friends to their biological family.

* ''WebVideo/AppleTexts'': Stories involving evil [[ObnoxiousInLaws in-laws]], step-family, or foster family will often have them insisting that the protagonist isn't family because of a lack of blood ties. At the story's end, said characters almost always try to [[PlayingTheFamilyCard play the family card]] in order to guilt-trip the protagonist into helping them.

* ''Manga/OnePiece'': This is how Charlotte Linlin, aka Big Mom, feels. Despite it being common for members of the Big Mom Pirates to refer to her as "Mama", the only ones she considers to be her true family are her 85 biological children. This feeling is also shared by the majority of said children, especially when it comes to the 43 husbands Big Mom has had over the years.