This happens a lot on Earth 27, with several characters becoming
related in one way or the other.
- Carrie Kelley is Barbara’s cousin in this adaptation
- Jesse Quick is now the daughter of Barry Allen. Bart Allen is also changed from Barry's grandson to son which makes him and Jesse siblings.
- Aresia is now Wonder Woman's daughter with Steppenwolf.
- Nyssa al Ghul is the mother of Oliver Queen's son Connor. She is also the mother of Malcolm Merlyn, which makes Thea Queen and Tommy Merlyn her grandchildren.
- Hank and Don Hall are going to be the younger brothers of Hawkman (Carter Hall).
- Tough Bunny, the E27 version of Dumb Bunny, is Athena Trevor, cousin of Steve Trevor.
- Both inverted and played straight with Edward Raymond; he's Ronnie Raymond's stepfather rather than his biological one and is the brother of Roy Raymond, a completely unrelated character from the the Golden Age.
- Tim Drake and Dinah Drake turn out to be cousins due to a philandering shared grandfather, though this was only figured out later due to the distance between both Drake families.
- Kathy Duquesne is the niece of Chien Na Wei (AKA China White).
- Adeline Kane, Slade Wilson's ex-wife is the sister of Jacob Kane and Martha Wayne, making her sons Grant and Joseph the cousins of Bruce Wayne, Kate Kate and Bette Kane.
- Emiko Queen is now Oliver Queen's daughter instead of his half-sister.
- Grace Choi, Ryan Choi and Eugene Choi are all half-siblings here.
- Mia Dearden is Oliver Queen's cousin here.
- Jade Nguyen and Artemis Crock are half-sisters too.
- John Stewart is the brother-in-law of Jefferson Pierce.
- Patrick O'Brian/Plastic Man is Ralph and Sue Dibny's son called Patrick Dibny/Plastic Lad.
- Walter Steele is the uncle of Clifford Steele/Robotman from the Doom Patrol.
- Cissie King-Jones is the daughter of Oliver Queen and Dinah Lance.
- Zinda Blake aka Lady Blackhawk is the twin sister of Edward Blake a.k.a The Comedian, meaning that she's also the paternal aunt of Laurie Juspeczyk a.k.a Silk Spectre II.
- Malcolm Merlyn's mother is Nyssa al Ghul, meaning that he's the grandson of Ra's al Ghul and Talia being his aunt, Conner Hawke and Mara al Ghul are his half-siblings and also cousins with David Cain, Damian Wayne and Maya Ducard.
- Mercy Graves is the mother of Epiphany Greaves (renamed Epiphany Graves here), while Tannarak the sorcerer/alchemist is Epiphany's father.
- Desire of the Endless is the parent of Drury Walker a.k.a Killer Moth and Rose Walker which makes them also the grandparent of Kitty Walker.
- Death of the Endless also is the mother of Rosacarnis making her the maternal grandmother of the Constantine siblings Adam, Maria and Saul.
- Menodora/Maria Mendoza a.k.a Maravilla is the mother of Scandal Savage, making her half-Amazonian.
- Penelope "Penny" Black/Britannia is the mother of Manchester Black of The Elite along with Vera Black as well.
- Paula Nguyen's own mother happened to be Eddie Blake's Asian Babymama, who was killed on the day of "Victory in Vietnam Day" at a bar by The Comedian, making her half-sister of Laurie Jupiter and both her children as Eddie's grandchildren as well.
- Not only is Killer Moth the half-brother of Johnny Valentine/Son of Pyg, he's the father of Jack and Melanie Walker, the Jack and Ten of the Royal Flush Gang from Batman Beyond.
- Christopher Smith/Peacemaker, Giselle Smith/Gazelle, Jennika Smith, Rob Smith/Rocksteady and Samuel Smith are all half-siblings thanks to their shared father Jeffrey Smith. Jeffrey's brother is Steven "Shotgun" Smith from the GCPD, while their father is serial killer "Slaughterhouse" Scott Smith.
- Mondo Gecko and Mona Lisa are brother and sister here.
- Charlotte Gage-Radcliffe/Misfit and Lori Zechlin/Black Alice, are half-sisters.
- Pied Piper and the Fiddler are also half-siblings.
- Egon Spengler is the half-brother of Harry Spengler from Supernatural and Jillian Holtzman from the 2016 reboot, while Winston Zeddemore is the adoptive father of Ed and Maggie Zeddemore (also from Supernatural's Ghostfacers) and the uncle of Patty Tolan.
- Garrett Miller from Extreme Ghostbusters is the younger brother of Lisa Miller, Scott Pilgrim's childhood friend.
- Raven and Jinx are half-sisters, thanks to their shared father Trigon.
- Willoughby Kipling is the uncle of Arani Desai/Celsius from the Doom Patrol and the deaf hunter Eileen Leahy.
- Simon Jones/Psimon is the uncle of Casey Jones, Cissie King-Jones and Rhea Jones of the Doom Patrol.
- William King/White Feather from The Five is the brother of Bonnie King, making him step-uncle of Cissie King-Jones.
- Damon Stewart/William Roque of The Losers is the presumed dead brother of John and Roselynn Stewart.
- John Winchester reveals that he's the father of Charlie Bradbury, making her half-sister of Sam and Dean, and connecting her to the already complex Winchester-Blake family tree.
- Rufus Turner is the estranged husband of Missouri Moseley and father of Patience Turner, plus he's the uncle of Ben Turner/Bronze Tiger.
- Kevin Tran is cousins with Tai Pham and Bao Pham/Clownhunter.
- Laura Nelson/Silver Sorceress is the granddaughter of Kent and Inza Nelson, plus she's the cousin of Lia Nelson-Kelly, Tangent Comics Flash.
- Eric Morden/Mr. Nobody is the half-brother of Crowley and the uncle of Charaxes.
- Tula is the daughter of Andraste, making her half-sister of Grace Choi through her mother.
- Kala Dandekar is cousins with Chandi Gupta/Maya of the Justice League and Kiran Singh/Solstice of the Titans.
- Wolfgang Bogdanow is the nephew of Werner Zytle/King Vertigo and of Tashana Bogdanow/Lady Quark.
- Elsa Grimston is the daughter of notorious tyrant and founder of the OAM Vigo the Carpathian.
- Clara Kendall/Tomorrow Woman is the daughter of Cliff Steele/Robotman, maternal half-sister of Ryan Kendall/Black Condor, and is considered "sibling" of Maxine Hunkel/Red Tornado, Jim Lockhart/Red Torpedo, Danette Reilly/Red Inferno, Red Volcano and A.M.A.Z.O due to her robotic body being created by Anthony Ivo and T.O. Morrow.
- Hugo Strange is revealed to be the brother of Julius Strange, making him the uncle of Adam Strange and great-uncle of Aleea Strange.
- Yera Allon/Chameleon is the sister of Reep Daggle, to whom he was unrelated to in the comics besides both being Durlans.
