History Main / LukeIMightBeYourFather

* [[ComicBook/{{Batgirl}} Barbara Gordon]] once discovered that Jim Gordon might have been sleeping with his brother's wife (Barbara's mother) at the time Barbara was conceived. She decided not to pursue the matter any further. Later this was {{retcon}}ned to have Jim always be her dad and actually be married to her mother.

* ''{{Series/Peacemaker}}'': PlayedForLaughs when Peacemaker goes to a school presentation. One of the girls asks if he knew her mother, Becky Coolidge. When Peacemaker says that he did the kid says he might be her father, [[ChangeTheUncomfortableSubject which prompts the teacher to quickly end the presentation]].

* ''Film/BulletToBeijing''. Nikolai's father was a British spy seduced by a HoneyTrap. Film/HarryPalmer denies being that man. Nikolai thinks he's lying, and chooses to save his life.

* At the end of the ''WebAnimation/DeathBattle'' between [[WebAnimation/RedVsBlue Agent Carolina and the Meta]], Sarge mentions that he has a son. Boomstick then mentions that his own DisappearedDAd joined the military. Sarge finds this so unsettling that he leaves the scene without pursuing the subject.

* Every other episode of ''Series/{{Maury}}'' is themed "I slept with [[strike:two]] [[strike:seven]] sixty-three men; who's my baby's daddy?" In fact, "You ''are'' / are ''not'' the father!" is practically his CatchPhrase.

* In ''Literature/TheRosieProject'', Rosie's mother slept with a med school classmate shortly before marrying her husband, Phil, and produced Rosie nine months later. Rosie is convinced that this classmate, not Phil, is her biological father. But she doesn't know which classmate, and her mother is dead, so she can't ask. Don, a geneticist, assists her in tracking down and testing various candidates. [[spoiler: Turns out Rosie's understanding of the genetics of eye color is overly simplistic, and Phil is actually her father.]]

* In ''Stormrider'', Gaise Macon is puzzled at the strained relationship with his father. The Moidart keeps him at arm's length and shows no clear sense of fatherly affection. And yet he still requires pain treatments for the horrible burns he suffered when he rushed into the burning mansion to save Macon as a child. Macon eventually learns that this is becauseconceivedime he was conceived the Moidart's wife was involved in an affair with a Highlander who was one of the Moidart's chief enemies. Macon would appear to be his son, because they both have a distinctive golden eye, but the Moidart's grandmother also had such an eye so he could never be certain of the truth. [[spoiler:When Macon enters into AGodAmI status near the end of the book, he finds out who his true father is--and tells the Moidart it was him. However, it is left ambiguous as to whether or not he was telling the truth.]]

* In the first season of Dimension20 it's a running gag that Gorgug is looking for his real father, him being a half-orc and his adoptive parents being halflings, and one of the few potentially possible candidates is Bill Seacaster, father of Fabian and self admitted lover of hundreds of Orc women. He can't quite rule out that he's Gorgug's father. (he turns out not to be)

-->--'''Darth Vader''' to Adolf Hitler, ''WebVideo/EpicRapBattlesOfHistory''

* An episode of ''Series/{{Airwolf}}'' featured a Vietnamese refugee who'd been in a relationship with St. John Hawke and her son who might have been his and thus Stringfellow's nephew. The episode ends with Archangel noting they might never know the truth.[[note]]A bad case of CriticalResearchFailure. HLA testing, available from the 1960s on, would have had an 80% chance of identifying if String and the boy were related or not, since String and Sinjin were brothers. RFLP testing, with 95%+ accuracy, came into use during the show's run.[[/note]]

Note that DNA testing good enough to establish the truth is relatively recent.[[note]]Blood group testing, a somewhat unreliable early form of paternity testing, was developed in the 1930s, while higher quality [=DNA=] paternity testing has only been around [[https://www.nature.com/scitable/topicpage/paternity-testing-blood-types-and-dna-374/ since the late 1980s]].[[/note]] In historical settings, possible father and child will often be left hanging and have to do their best to work things out without knowing.

Note that DNA testing good enough to establish the truth is relatively recent; in historical settings, possible father and possible child will often be left hanging and have to do their best to work things out without knowing.

* At the end of the ''WebAnimation/DeathBattle'' between [[Machinima/RedVsBlue Agent Carolina and the Meta]], Sarge mentions that he has a son. Boomstick then mentions that his own DisappearedDAd joined the military. Sarge finds this so unsettling that he leaves the scene without pursuing the subject.

* It's been strongly suggested that Carmilla Black, aka Scorpion (unrelated to the Spider-Man villain), is the biological daughter of [[ComicBook/IncredibleHulk Bruce Banner]], due to his college fling with her mother, Monica Rappaccini, Scientist Supreme of A.I.M.

* A persistent fan theory among the ''VideoGame/GuiltyGear'' fandom is that the identity of Dizzy's father is none other than [[spoiler:series' lead Sol Badguy]]. This is mainly because[[spoiler:, back when he was still a human named Frederick, Sol was romantically linked with a fellow scientist named Aria, who is heavily implied to the true identity of Dizzy's mother, the Commander Gear Justice]], although the timeline [[FanWank muddies things]] due to Dizzy's suggested parentage both being full Gears (Dizzy is only [[HalfHumanHybrid half-Gear]]) and having a mutually antagonistic relationship around the time [[spoiler:Justice]] would've likely given birth to Dizzy. The guy in question does have an odd but subtly paternal way of dealing with Dizzy (his Story Path 2 and Dizzy's Story Path 3 in ''XX'' are two of the most frequently-cited examples among several), never mind some shared powers that are too coincidental to ignore, but like many things in ''Guilty Gear'', it's been left deliberately open until further notice. If true, this would also mean that [[spoiler:Sol, already a mentor and father figure to Sin, is the boy's actual grandfather, as Sin is Ky and Dizzy's son.]]

* ''Literature/HarryPotter'': Due to the fact that in the Wizarding World; Magic is actually genetic and that it could become dominant and recessive genes passed down onto children; a fair number of the [[MageBornOfMuggles Muggleborns]] might be distantly-related to Magicals through disowned [[MuggleBornOfMages Squib]] offspring.
** The biggest example of this trope in action comes from Main Character [[Characters/HarryPotterHermioneJeanGranger Hermione Granger]], a Muggleborn Witch who the Hogwarts Potions Professor for the 1996 School Year Horace Slughorn postulated that Hermione might actually be a distant relative of a famed Wizard Potioneer: Hector Dagworth-'''Granger'''.

* {{Series/Peacemaker}}: PlayedForLaughs when Peacemaker goes to a school presentation, and one of the girls askes if he knew her mother Becky Coolidge, and when Peacemaker says that he did the kid says he might be her father, [[ChangeTheUncomfortableSubject which prompts the teacher to quickly end the presentation]].

* ''Bullet to Beijing''. Nikolai's father was a British spy seduced by a HoneyTrap. Film/HarryPalmer denies being that man. Nikolai thinks he's lying, and chooses to save his life.

* In ''Literature/TheSongOfTheWanderer'', Cara meets the Queen's Players, a group of human performers traveling around Luster. The group includes the acrobat Jacques, who was once married to Cara's grandmother Ivy Morris. He is uncertain if Cara's mother Martha was his child, or the child of someone Ivy met on Earth; either way, as far as he's concerned, any grandchild of Ivy's is his as well.

* {{Series/Peacemaker}}: PlayedForLaughs when Peacemaker goes to a school presentation, and one of the girls askes if he knows her mother Becky Coolidge, and when Peacemaker says that he has the kid says he might be her father, [[ChangeTheUncomfortableSubject which prompts the teacher to quickly end the presentation]].