A page dedicated to (a) Those minor and throwaway relatives we never, or rarely, hear from ever again and (b) relatives who are semi-well known by the average non-canon-preferring Trekker, but not by the average canon-only preferring Trekker.
Star Trek: Enterprise
Jonathan Archer
- Jack Archer - unspecified relative (TOS novel: Captain's Peril)
NOTE(1) that Jack Archer being Jonathan's relative is more suggestion than fact.
Phlox
- Xesophia - his wife. (ENT - SNW short story: "Cabin E-14")
Robert T. April's crew
Bernice Hart
- Unnamed husband (TOS novel: Final Frontier)
Star Trek: Early Voyages
Christopher Pike
- Charlie Pike a.k.a. Josh Pike - his father (TOS novels: Burning Dreams, Vulcan's Glory; EV comic: "Flesh of My Flesh")
- Willa McKinnies - his mother (TOS novels: Burning Dreams, Vulcan's Glory)
- Philip Pike - his son (EV comic: "Door in the Cage")
Phillip Boyce
- Alicia Boyce - his late wife (TOS novel: Vulcan's Glory)
José Tyler
Gabrielle Carlotti
- Two unnamed brothers. (EV comics: "Flesh of My Flesh", "The Fallen, Part One")
- Olivia - her aunt. (EV comic: "The Fallen, Part One")
Sita Mohindas
- Rajiv Mohindas - her father. (EV comic: "Flesh of My Flesh")
Star Trek: The Original Series
James T. Kirk
- Tyree - his 'brother' (TOS episode: "A Private Little War"; NF novel: Once Burned)
- Michele Suzanne Kirk - his sister. (TOS novel: Home is the Hunter; TOS reference: Star Trek II: Biographies)
- Alexander Kirk a.k.a. Brett Kirk - his nephew. (TOS novels: The Last Roundup, Provenance of Shadows; TOS comic: "Star-Crossed")
- Julius Kirk a.k.a. Robert Kirk - his nephew. (TOS novels: The Last Roundup, Provenance of Shadows; TOS comic: "Star-Crossed")
- Lori Ciana - his wife. (TOS novels: The Lost Years, Recovery; TOS movie & novelization: Star Trek: The Motion Picture)
- Fire-in-Night - his 'wife'. (TOS novel: Enemy Unseen)
- Joy-of-Morning - his 'wife'. (TOS novel: Enemy Unseen)
- Shade-in-Sun - his 'wife'. (TOS novel: Enemy Unseen)
- Teilani - his wife. (TOS novels: The Ashes of Eden, The Return, Avenger, Spectre, Dark Victory, Preserver)
- Joseph Kirk - his son. (TOS novels: Preserver, Captain's Peril, Captain's Blood)
- Elanea - Teilani's aunt. (TOS novel: Dark Victory)
- Samuel Kirk - his grandfather (TOS novelisation Star Trek: The Motion Picture; TOS novels Windows on a Lost World, The Kobayashi Maru,Shell Game and Best Destiny).
- Tiberius Kirk - his great-grandfather. (TOS novel: How Much for Just the Planet?)
- James Kirk - his uncle/ (TOS novelization: Star Trek: The Motion Picture)
- Ilsa - his aunt (surname not given). (TOS novel: Final Frontier)
- Matilda - his great-aunt. (TOS novel: Enterprise: The First Adventure)
- Three unnamed sons of Peter Kirk. (TOS novel: Dark Victory)
- Abernathy Kirk - his ancestor. (TOS novel: Timetrap)
- John Claudius Kirk - his ancestor. (TOS novel: Home is the Hunter)
- Nee f'ran K'leb - his "adopted son". (TOS novel: Double, Double)
NOTE(1) that Kirk's sister only exists in the sources above, and is absent from every reference to Kirk's family published before or after.
NOTE(2) Provenance of Shadows reverses the age order of Kirk's nephews previously established in The Last Roundup.
NOTE(3) that Enterprise: The First Adventure establishes both Kirk and Spock as having great-aunts called Matilda.
Spock
- T'Pau - his great-great-aunt (ENT episodes The Forge, Awakening and Kir'Shara, TOS novels Starfleet: Year One and Vulcan's Forge, TOS episode Amok Time and TOS novels Sarek, Yesterday's Son and Spock's World).
- T'Rea - Sarek's first wife (TOS novelisation Star Trek V: The Final Frontier and TOS novel Sarek).
- T'Rama - his grandmother (SNW story A Girl for Every Star; TOS novelisation Star Trek V: The Final Frontier).
- Supek - his great-grandfather (SNW story A Girl for Every Star).
- Surak - his Second History father (TOS novel Killing Time).
- Starnn - Silek's brother-in-law (TOS novel Demons).
- Unnamed daughter of Starnn (TOS novel Demons).
- Doris Grayson - his aunt (TOS novels Planet of Judgment and The Lost Years).
- Lester - his cousin (TOS novel Planet of Judgment).
- Jimmy - his cousin (TOS novel Planet of Judgment).
- Alex Fitzhugh - his uncle (SNW story Family Matters).
- Kathleen Fitzhugh - his aunt (SNW story Family Matters).
- Elizabeth Fitzhugh - his cousin (SNW story Family Matters).
- Sopeg - his uncle (TOS novel Mind Meld).
- Matilda - his great-aunt (TOS novels Enterprise: The First Adventure and Sarek).
- Zar - his son (TOS - The Yesterday Saga novels: Yesterday's Son, Time for Yesterday)
- Araen - Zar's first wife (TOS novel Time for Yesterday).
- Araen, Junior - Zar's first child (TOS novel Time for Yesterday).
- Tekolin - Araen's father (TOS novel Time for Yesterday).
- Wynn - Zar's second wife (TOS novel Time for Yesterday).
- Nahral - Wynn's first husband (TOS novel Time for Yesterday).
- Lelinos - Wynn's first son (TOS novel Time for Yesterday).
- Unnamed child - Zar and Wynn's child (TOS novel Time for Yesterday).
- Selek - An alias used posing as his own second-cousin (TAS episode Yesteryear; TOS novels Vulcan's Glory and Sarek).
- Sessek - "Selek"'s father (TAS novelisation Yesteryear).
- T'pal - "Selek"'s mother (TAS novelisation Yesteryear).
- T'Pala - "very distant relative" (TOS novel Mindshadow).
- Gerald Carstairs - T'Pala's father (TOS novel Mindshadow).
- Stephen - his "distant cousin" (TOS novel Enterprise: The First Adventure).
- Aaron George Stemple - his ancestor (TOS novel Ishmael).
- Elizabeth 'Biddy' Cloom - his ancestor (TOS novel Ishmael).
- Jeremy Grayson - his ancestor (TOS novel Strangers from the Sky).
- Dora Grayson - his ancestor (TOS novel Strangers from the Sky).
NOTE(1) that Killing Time later reverts to calling Spock's father by the name Sarek, contradicting earlier portions of that novel.
NOTE(2) that Sarek calls Matilda Spock's aunt, and not great-aunt.
Leonard McCoy
- Eleanora McCoy - his mother (DS9 short story: "Old Souls"; TOS movie & novelization: Star Trek III: The Search for Spock; TOS novels: The Better Man, The Last Roundup)
- Jocelyn McCoy - his ex-wife (TOS novels: Shadows on the Sun, Planet of Judgment, Enterprise: The First Adventure, The Lost Years, The Better Man)
- Barbara McCoy - his daughter (TOS comics: "Furlough to Fury", "World Beneath the Waves")
- Anna March - his 'daughter' (TOS novel: The Better Man)
- Mark Rousseau - Anna March's father (TOS novel: The Better Man)
- Elizabeth March - Anna March's mother (TOS novel: The Better Man)
- Erica Rousseau - Mark Rousseau's wife (TOS novel: The Better Man)
- Christopher Rousseau - Mark and Erica's son (TOS novel: The Better Man)
- Donna Withers - his sister (TOS novel: Crisis on Centaurus)
- Fred Withers - his brother-in-law (TOS novel: Crisis on Centaurus)
- Thomas Jackson "T.J." McCoy, MD - his grandfather (TOS novels: The Final Reflection, Shell Game)
- Conner McCoy - his grandson (TOS novel: Shadows on the Sun)
- Unnamed granddaughter (TOS movie & novelizations: Star Trek V: The Final Frontier, Star Trek VI: The Undiscovered Country; TNG movie & novelization: Star Trek: Generations)
- Other unnamed grandchildren (TNG movie & novelization: Star Trek: Generations)
- General McCoy - his great (x 10) grandfather (TOS novel: Home is the Hunter)
- Vincent McCoy - his ancestor (TOS - Strange New Worlds short story: "Shanghaied")
- Fanny - his aunt (TOS novel: The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 1)
- Elliot - his cousin (TOS - Strange New Worlds short story: "The Healing Arts")
- David McCoy - his cousin (TOS novel: Ice Trap)
- Florence - his great-aunt (TOS novel: Double, Double)
- Mamay - his grandmother (TOS short story: "Where Everybody Knows Your Name")
- Matilda - his aunt (TOS novel: The Romulan Way)
Montgomery Scott
- Arlyne Jorgensen Scott - his mother (SNW story Bum Radish: Five Spins on a Turquoise Reindeer; TOS novels Home is the Hunter, How Much for Just the Planet? and The Kobayashi Maru; TNG novelisation Relics; TNG novel Crossover).
- Robert Scott - his brother (TOS comic Furlough to Fury).
- Kristen Scott - his sister (SNW story Bum Radish: Five Spins on a Turquoise Reindeer and TNG novelisation Star Trek: Generations).
- Frannie Preston - his sister (TOS comic Retrospect).
- Tommy Preston - his brother-in-law (TOS comic Retrospect).
- Glynnis Campbell - his wife (TOS comics Retrospect and The Trial of James T. Kirk; TAS novelisation The Terratin Incident).
- Angus McFarlane - Glynnis' husband (TOS comic: "Retrospect")
- Zhota - his alternate-timeline wife (EV comic Future Tense, Part 2).
- Ingrid - his aunt (SNW story Bum Radish: Five Spins on a Turquoise Reindeer).
- Cheryl - his cousin (TOS novel The Kobayashi Maru).
- Ishimoto - his cousin (TOS novelisation Star Trek III: The Search for Spock).
- Dannan Stuart - his niece (TOS novel Enterprise: The First Adventure and TOS novelisations Star Trek II: The Wrath of Khan and Star Trek III: The Search for Spock).
- Clifford Scott - his grandfather (TOS novels Vulcan's Glory and Dreadnought!; TNG novelisation Relics).
- Tillie - his great-aunt (TOS comic Sceptre of the Sun).
- McTavish - his great-aunt (TAS novelisations Once Upon a Planet and The Time Trap).
- Amelia - his aunt (TOS short story: "Where Everybody Knows Your Name")
Pavel Chekov
- Andrei Ivanovitch Chekov - his father. (TOS - The Janus Gate novel: Future Imperfect, TOS novel: The Captain's Daughter)
- Larisa Chekov - his mother. (ST video game: Starship Creator; TOS - The Janus Gate novel: Future Imperfect, TOS novels: Traitor Winds, The Kobayashi Maru, The Captain's Daughter; TNG novelization: Relics)
- Vanya - his uncle. (TOS novel: Shell Game)
- Pavi - his cousin. (TOS novel: Enterprise: The First Adventure)
- Nina Popov - his cousin. (TOS comics: "Class Reunion", "Secrets")
- Mikhail Sergeyevich Gorbachev - his ancestor. (TOS novel: Mudd In Your Eye)
- Pavel Alexandrovitch Chuikov - alias used by Chekov while back in time. (TOS novel: Home is the Hunter)
- Vassili Chuikov - erroneously believed Chekov to be his nephew. (TOS novel: Home is the Hunter)
- Andrew Chuikov a.k.a. Alexander Chuikov - erroneously believed to be Chekov's father. (TOS novel: Home is the Hunter)
Hikaru Sulu
- Saraoni Hatoyama-Sulu - his father. (TOS comic: "Giri"; TOS novels: Enterprise: The First Adventure, Shadow Lord, The Captain's Daughter)
- Shimizu Hana a.k.a. Kalea Graef Hatoyama-Sulu - his mother (TOS - Tales from the Captain's Table short story: "Iron and Sacrifice"; TOS comic: "Giri"; TOS novels: Enterprise: The First Adventure, Shadow Lord, The Kobayashi Maru, The Captain's Daughter)
- Kikani Sulu - his grandfather. (TOS novel: Section 31: Cloak)
- Tetsuo Inomata - his great-grandfather. (TOS novels: Traitor Winds, The Kobayashi Maru)
- Akira Sulu - his great-great-grandfather. (TOS - The Janus Gate novel: Future Imperfect; TOS novelization: Star Trek IV: The Voyage Home)
- Hikaru Sulu - Akira Sulu's uncle. (TOS novelization: Star Trek IV: The Voyage Home)
- Susan Ling a.k.a. Ling Sui - Demora Sulu's mother (TOS novel: The Captain's Daughter)
- Hiromi Sulu - his grandson. (VOY novel: Pathways)
- Akira Sulu - his great-grandson. (ST video game: Star Trek Online)
Nyota Uhura
- Alhamisi Uhura - her father (TOS novel The Starless World; TAS novelisation The Slaver Weapon).
- M'Umbha Uhura - her mother (TOS episode The Man Trap; TOS novel The Starless World).
- David Uhura - her brother (TAS novelisation The Slaver Weapon).
- Israi - her 'sister' (TOS novel Firestorm).
- Elaan - her 'sister' (TOS episode Elaan of Troyius; TOS novel Firestorm).
- Kutath - Elaan and Israi's father (TOS novel Firestorm).
- Zhirnen - Elaan and Israi's aunt (TOS novel Firestorm).
- Kesmeth - Elaan and Israi's ancestor (TOS novel Firestorm).
- Uchawi Uhura - her grandfather (TAS novelisation The Slaver Weapon; TOS novels The Starless World and The Three-Minute Universe).
Janice Rand
- Benjamin Rand - her brother (TOS novel Enterprise: The First Adventure).
- Sirri Rand - her brother (TOS novel Enterprise: The First Adventure).
- Annie Rand - her daughter (TOS novel The Captain's Daughter).
Gary Mitchell
- Thomas Mitchell - his father (TOS novel My Brother's Keeper: Republic).
- Dana Mitchell - his mother (TOS novel My Brother's Keeper: Enterprise).
Mark Piper
- Four unnamed sons (TOS novel My Brother's Keeper: Constitution).
- Unnamed daughter (TOS novel My Brother's Keeper: Constitution).
- Unnamed sister (TOS novel Traitor Winds).
Shiboline M'Ress
- M'nault - her father (TAS novelisation The Ambergris Element).
- M'mar - her mother (TAS novelisation The Ambergris Element).
- M'rest - her brother (TAS novelisation The Ambergris Element).
- M'sitt - her brother (TAS novelisation The Ambergris Element).
- M'nass - her sister (TAS novelisation The Ambergris Element).
John Harriman
- John "Blackjack" Harriman - his father (TOS novel The Captain's Daughter; TLE novel Serpents Among the Ruins).
Star Trek: The Next Generation
Jean-Luc Picard
- Claude Picard - his brother (TNG comic The Gift).
- Erno Picard - his uncle (SNW story The Monkey Puzzle Box).
- Elise Picard - Nexus wife (TNG novelisation Star Trek: Generations).
- Olivia Picard - Nexus daughter (TNG novelisation Star Trek: Generations).
- Madison Picard - Nexus daughter (TNG novelisation Star Trek: Generations).
- Mimi Picard - Nexus daughter (TNG novelisation Star Trek: Generations).
- Matthew Picard - Nexus son (TNG novelisation Star Trek: Generations).
- Thomas Picard - Nexus son (TNG novelisation Star Trek: Generations).
- Katya Picard - Nexus wife of Rene Picard (TNG novelisation Star Trek: Generations).
Edward Jellico
- Unnamed son (NF novel Once Burned).
Morgan Bateson
- Mira Romaine - his wife (TOS episode The Lights of Zetar; SNW story Ancient History; TNG novel Crossover).
William T. Riker
- Elizabeth Laura Riker - his mother (TNG novelisation Encounter at Farpoint; TNG episode Conundrum; TNG novel Fortune's Light).
- Thaddeus Riker - his 22nd century ancestor (NF novel Double Helix: Double or Nothing).
Data
- Ard'rian - his wife in the Nexus (TNG episode The Ensigns of Command; SNW story Tribble in Paradise).
Geordi La Forge
- Kastren - his 'moon-sister' (TNG comic The Broken Moon).
- Nadifa La Forge - his niece, the daughter of Ariana La Forge (TNG novel: Losing the Peace)
Worf
- Kaasin - his mother (TNG novel Strike Zone; TLE novel The Art of the Impossible).
- Jeremy Aster - his adopted brother (TNG episode The Bonding; TNG comic The Lesson; TNG novel Diplomatic Implausibility).
- Megan Aster - Jeremy's aunt (TNG comic The Lesson).
- Alexander Leonfeld - Alexander Rozhenko's ancestor (DOH novel Ancient Blood).
- The Fifth Duke of Leonfeld - Alexander Leonfeld's father (DOH novel Ancient Blood).
- Mrs. Gosch-Embourg - Alexander Leonfeld's mother (DOH novel Ancient Blood).
- Jeremiah Coverman - Alexander Leonfeld's cousin (DOH novel Ancient Blood).
- Amy Coverman - Jeremiah's wife (DOH novel Ancient Blood).
- Mercy Starrett - Amy's aunt (DOH novel Ancient Blood).
- Seth Starrett - Amy's cousin (DOH novel Ancient Blood).
Beverly Crusher
Katherine Pulaski
- Kellec Ton - her first husband (TNG novel Double Helix: Vectors)
- Brian Anderson - her second husband (SNW story Calculated Risk).
Ro Laren
- Ro Seval - her father (TNG episodes Conundrum and The Next Phase; SNW story Flash Point).
- Ro Gale - her mother (TNG episodes Conundrum and The Next Phase; SNW story Flash Point).
Sean Hawk
- Rhyst Abram Hawk - his father (TNG novel Section 31: Rogue; SNW story Seeing Forever).
- Camille Hawk - his mother (TNG novel Section 31: Rogue; SNW story Seeing Forever).
- Darey Hawk - his brother (TNG novel Section 31: Rogue).
- Jason Hawk - his brother (TNG novel Section 31: Rogue).
Reginald Barclay III
- Reginald Barclay I - his grandfather (SNW story Out of the Box, Thinking).
Spot
- Fido - her brother (TNG novel Into the Nebula).
Guinan
- Unnamed third husband (TNG novel Spartacus).
Q
- Trelane - his son (TOS episode The Squire of Gothos; TNG novel Q-Squared).
NOTE(1) that the end of the novel implies, but does not confirm, that Trelane is Q's son. Q himself openly states he's Trelane godfather, though.
Star Trek: Deep Space Nine
Julian Bashir
- Unnamed aunt (SCE eBook: Wounds, Book 2)
Dax and its hosts
- Unnamed brothers of unspecified number (of Tobin Dax) (DS9 story Dead Man's Hand).
- Jayvin Vod - Audrid Dax's husband (DS9 story Sins of the Mother).
- Neema Cyl - Audrid's daughter (DS9 story Sins of the Mother).
- Gran - Audrid's son (DS9 story Sins of the Mother).
- Devinel Vod - Vod's fifth host (DS9 story Sins of the Mother).
- Baret Vod - Vod's fourth host (DS9 story Sins of the Mother).
- Calila Vod - Vod's third host (DS9 story Sins of the Mother).
- Kelin Vod - Vod's second host (DS9 story Sins of the Mother).
- Timus Vod - Vod's first host (DS9 story Sins of the Mother).
- Deilas Cyl - Cyl's former host (DS9 story Sins of the Mother).
- Ziranne Idaris - Jadzia Dax's sister. (DS9 short story: "Reflections")
- Koal - Jadzia's uncle. (DS9 short story: "Reflections")
Miles O'Brien
- Two unnamed brothers (DS9 episode Invasive Procedures, TNG novel Imbalance).
- Four adopted siblings (TNG novel Imbalance).
- Sean O'Brien - his uncle (TNG comic The Lesson).
Quark
- Prinadora - his ex-sister-in-law (DS9 episode Doctor Bashir, I Presume?; TNG novel Double Helix: Vectors; DS9 book Worlds of Deep Space Nine, volume 3: Ferenginar: Satisfaction is Not Guaranteed).
- Frin, Gorad and Prax - his uncles.
Benjamin Sisko
- unnamed half brothers - (DS9 episode "Paradise")
- Unnamed stepmother (DS9 episode "Image in the Sand")
Star Trek: Voyager
Kathryn Janeway
- Gretchen Janeway - her mother. (VOY novel: Mosaic; SNW short story: "Uninvited Admirals")
- Phoebe Janeway - her sister (VOY novel: Mosaic)
- Elsa - her grandmother (SNW short story: "Uninvited Admirals")
- Kurt - Gretchen's stepfather (SNW short story: "Uninvited Admirals")
- Katie - her great-aunt (SNW short story: "Uninvited Admirals")
- Annie - her aunt (SNW short story: "Uninvited Admirals")
- Shannon O'Donnell - her ancestor (VOY episode: "11:59"; TOS novels: The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 1, The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 2, The Rings of Time)
Chakotay
- Sekaya- his sister (VOY novels: Old Wounds, Enemy of My Enemy)
Tuvok
Tom Paris
- (Lu)Cinda Paris - his mother (SNW short story: "Uninvited Admirals"; VOY novel: Cybersong)
- Moira Paris - his sister (VOY novel: Pathways)
- Kathleen Paris - his sister (VOY novel: Pathways)
- "Iron Mike" Paris - his grandfather. Died in the Tomed Incident. (TLE novel: Serpents Among the Ruins and CT story Iron and Sacrifice).
- Victoria Santos - his grandmother, wife of "Iron Mike" (TLE novel: Serpents Among the Ruins)
- Daniel Paris - his great-grandfather. Aide to Kirk as CSFO, later an admiral himself. (STA novel: Progenitor)
- Patricia Paris - his great-aunt, sister of "Iron Mike". (STA novel: Oblivion)
- Cole Paris - his uncle. Younger brother of Owen Paris. (STA novel: Progenitor)
Janeway and Paris
- Neelix - their son (VOY episode: "Threshold"; VOY - Strange New Worlds short story: "On the Rocks")
- Tuvok - their son (VOY episode: "Threshold"; VOY - Strange New Worlds short story: "On the Rocks")
- Harry - their son (VOY episode: "Threshold"; VOY - Strange New Worlds short story: "On the Rocks")
- B'Elanna - their daughter (VOY episode: "Threshold"; VOY - Strange New Worlds short story: "On the Rocks")
B'Elanna Torres
- Miral's mother
- B'Kor ((VOY novel: Pathways).
- L'Naan (VOY novel: Full Circle)
- Krelik - L'Naan's mother (VOY novel: Full Circle)
Harry Kim
Neelix
Veronica Stadi
- Shenzi - her aunt (VOY episode & novelization: Caretaker)
Star Trek: New Frontier
Mackenzie Calhoun
- D'ndai - his brother (NF novels Double Helix: Double or Nothing, House of Cards, Into the Void, End Game and Martyr; NF story A Lady of Xenex).
Selar
- Xyon - Burgoyne 172 and Selar's son (NF novels Fire on High, Double Helix: Double or Nothing, Dark Allies, After the Fall and Missing in Action).
- Thala - her adopted daughter (TNG novel: The Eyes of the Beholders)
Soleta
- Rajari - her father (NF novels Double Helix: Double or Nothing, The Two-Front War and Excalibur: Requiem; NF story Revelations).
- T'Pas - her mother (NF novels Double Helix: Double or Nothing, Into the Void and The Two-Front War; NF story Revelations).
Robin Lefler
- Charles Lefler - her father (NF novel: Fire on High)
Mark McHenry
- Athena Palamas - Apollo and Carolyn Palamas' daughter (TOS novelization: Who Mourns for Adonais?; NF novel: Being Human)
Si Cwan
- Malia - Kalinda's adoptive mother (NF novel: The Quiet Place)
Boyajian
- Jerry Boyajian - his ancestor (TOS novel: The Rift; DC Comics first series).
Meyer
More forthcoming