Rarely publicized relatives

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

 * Nathan Archer (SS ENT (The Rules of War); )


 * Jack Archer - unspecified relative

NOTE(1) that Jack Archer being Jonathan's relative is more suggestion than fact.

Phlox

 * Xesophia - his wife. (SS ENT (Cabin E-14))

=Robert T. April's crew=

Bernice Hart

 * Unnamed husband

=Star Trek: Early Voyages=

Christopher Pike

 * Vina - his wife


 * Charlie Pike a.k.a. Josh Pike - his father


 * Willa McKinnies - his mother


 * Philip Pike - his son

Phillip Boyce

 * Alicia Boyce - his late wife

José Tyler

 * Ecma - his wife


 * Macro - Ecma's brother


 * Regger - Macro and Ecma's son


 * Zyo - Ecma and Macro's father

Gabrielle Carlotti

 * Two unnamed brothers.


 * Olivia - her aunt.

Sita Mohindas

 * Rajiv Mohindas - her father.

=Star Trek: The Original Series=

James T. Kirk

 * Tyree - his 'brother'


 * Michele Suzanne Kirk - his sister.


 * Alexander Kirk a.k.a. Brett Kirk - his nephew.


 * Julius Kirk a.k.a. Robert Kirk - his nephew.


 * Lori Ciana - his wife.


 * Fire-in-Night - his 'wife'.


 * Joy-of-Morning - his 'wife'.


 * Shade-in-Sun - his 'wife'.


 * Teilani - his wife.


 * Joseph Kirk - his son.


 * Elanea - Teilani's aunt.


 * 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.


 * James Kirk - his uncle/


 * Ilsa - his aunt (surname not given).


 * Matilda - his great-aunt.


 * Three unnamed sons of Peter Kirk.


 * Abernathy Kirk - his ancestor.


 * John Claudius Kirk - his ancestor.


 * Nee f'ran K'leb - his "adopted son".

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'Kar - Sarek's unspecified relative


 * 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).


 * Silek - his uncle (TOS novels and Sarek).


 * Starnn - Silek's brother-in-law (TOS novel ).


 * Unnamed daughter of Starnn (TOS novel ).


 * 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 ).


 * Teska - his niece (TOS novel ).


 * Hasmek - Teska's husband (TOS novel ).


 * Wislok - Hasmek's father (TOS novel ).


 * Matilda - his great-aunt (TOS novels Enterprise: The First Adventure and Sarek).


 * Zar - his son


 * 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).


 * Larkin - Elizabeth 'Biddy' Cloom's grandmother (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 (SS DS9 (Old Souls); ; )


 * Jocelyn McCoy - his ex-wife


 * Barbara McCoy - his daughter


 * Anna March - his 'daughter'


 * Mark Rousseau - Anna March's father


 * Elizabeth March - Anna March's mother


 * Erica Rousseau - Mark Rousseau's wife


 * Christopher Rousseau - Mark and Erica's son


 * Nuie - his 'brother'


 * Donna Withers - his sister


 * Fred Withers - his brother-in-law


 * Thomas Jackson "T.J." McCoy, MD - his grandfather


 * Conner McCoy - his grandson


 * Unnamed granddaughter


 * Other unnamed grandchildren


 * General McCoy - his great (x 10) grandfather


 * Vincent McCoy - his ancestor (SS TOS (🇸🇸))


 * Fanny - his aunt


 * Elliot - his cousin (SS TOS (The Healing Arts))


 * David McCoy - his cousin


 * Florence - his great-aunt


 * Mamay - his grandmother (SS TOS (Where Everybody Knows Your Name))


 * Matilda - his aunt

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


 * 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 (SS TOS (Where Everybody Knows Your Name))

Pavel Chekov

 * Andrei Ivanovitch Chekov - his father (TOS novels The Janus Gate: and The Captain's Daughter).


 * Larisa Chekov - his mother (ST game Starship Creator; TOS novels The Janus Gate:, Traitor Winds, The Kobayashi Maru and The Captain's Daughter; TNG novelisation 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 and Secrets).


 * Mikhail Sergeyevich Gorbachev - his ancestor (TOS novel Mudd In Your Eye).


 * Pavel Alexandrovitch Chuikov - his ancestor (TOS novel Home is the Hunter).


 * Vassili Chuikov - his ancestor (TOS novel Home is the Hunter).


 * Andrew Chuikov a.k.a. Alexander Chuikov - his ancestor (TOS novel Home is the Hunter).

Hikaru Sulu

 * Saraoni Hatoyama-Sulu - his father (TOS comic Giri; TOS novels Enterprise: The First Adventure, Shadow Lord and The Captain's Daughter).


 * Shimizu Hana a.k.a. Kalea Graef Hatoyama-Sulu - his mother (CT story Iron and Sacrifice; TOS comic Giri; TOS novels Enterprise: The First Adventure, Shadow Lord, The Kobayashi Maru and The Captain's Daughter).


 * Kikani Sulu - his grandfather (TOS novel Section 31: Cloak).


 * Tetsuo Inomata - his great-grandfather (TOS novels Traitor Winds and The Kobayashi Maru).


 * Akira Sulu - his great-great-grandfather (TOS novel The Janus Gate: and TOS novelisation Star Trek IV: The Voyage Home).


 * Hikaru Sulu - Akira Sulu's uncle (TOS novelisation 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.

Nyota Uhura

 * Alhamisi 'Thomas' Uhura - her father (TOS novel The Starless World; TAS novelisation The Slaver Weapon).


 * M'Umbha Mahia 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: ).


 * Dana Mitchell - his mother (TOS novel My Brother's Keeper: ).

Mark Piper

 * Four unnamed sons (TOS novel My Brother's Keeper: ).


 * Unnamed daughter (TOS novel My Brother's Keeper: ).


 * 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).


 * Yvonne - his aunt (TNG comic The Gift).


 * 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 ).

William T. Riker

 * Elizabeth Laura Riker - his mother (TNG novelisation Encounter at Farpoint; TNG episode Conundrum; TNG novel Fortune's Light).


 * Thaddeus Riker - his twenty-second century ancestor (NF novel : 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

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

 * Paul Howard - her father (TNG novels Spartacus and ).


 * Isabel Howard - her mother (TNG novels Spartacus and ).

Katherine Pulaski

 * Kellec Ton - her first husband (TNG novel : 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).


 * Delcara - her bond-sister (TNG novel Vendetta).

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

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 story Reflections).


 * Koal - Jadzia's uncle (DS9 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 : Vectors; DS9 book Worlds of Deep Space Nine, volume 3: Ferenginar: Satisfaction is Not Guaranteed).


 * Frin, Gorad and Prax - his uncles.


 * Barbo, Kono and Stol - his cousins.

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 (VGR novel Mosaic; SNW story Uninvited Admirals).


 * Phoebe Janeway - her sister (VGR novel Mosaic).


 * Elsa - her grandmother (SNW story Uninvited Admirals).


 * Kurt - Gretchen's stepfather (SNW story Uninvited Admirals).


 * Katie - her great-aunt (SNW story Uninvited Admirals).


 * Annie - her aunt (SNW story Uninvited Admirals).


 * Shannon O'Donnell - her ancestor (VGR episode 11:59; TOS novels The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 1 and The Eugenics Wars: The Rise and Fall of Khan Noonien Singh, Volume 2).

Chakotay

 * Sekaya- his sister (VGR novels and Enemy of My Enemy).

Tuvok

 * Sunak - his father


 * Sek - his son


 * Varith - his son


 * Elieth - his son


 * Asil - his daughter


 * Elieth - his great-aunt

Tom Paris

 * (Lu)Cinda Paris - his mother (SNW story Uninvited Admirals; )


 * Moira Paris - his sister


 * Kathleen Paris - his sister


 * "Iron Mike" Paris - his grandfather. Died in the Tomed Incident. ( and CT story Iron and Sacrifice).


 * Victoria Santos - his grandmother, wife of "Iron Mike"


 * Daniel Paris - his great-grandfather. Aide to Kirk as CSFO, later an admiral himself.


 * Patricia Paris - his great-aunt, sister of "Iron Mike".


 * Cole Paris - his uncle. Younger brother of Owen Paris.

Janeway and Paris

 * Neelix - their son (SS VOY (On the Rocks))


 * Tuvok - their son (SS VOY (On the Rocks))


 * Harry - their son (SS VOY (On the Rocks))


 * B'Elanna - their daughter (SS VOY (On the Rocks))

B'Elanna Torres

 * Torg - Miral's father


 * Miral's mother
 * B'Kor (.
 * L'Naan
 * Krelik - L'Naan's mother


 * Kor - Miral's uncle


 * K'Karn - B'Elanna's second-cousin


 * Lanna - K'Karn's cousin

Harry Kim

 * John Kim - his father

Neelix

 * Eximar - his father


 * Axa - his mother


 * Unnamed brother


 * Raxel - his sister


 * Mixin - his sister


 * Xepha - his sister


 * Melorix - his sister

Veronica Stadi

 * Shenzi - her aunt

=Star Trek: New Frontier=

Mackenzie Calhoun

 * D'ndai - his brother (NF novels : 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 or Nothing, Dark Allies, After the Fall and Missing in Action).


 * Thala - her adopted daughter

Soleta

 * Rajari - her father (NF novels : Double or Nothing, The Two-Front War and Excalibur: Requiem; NF story Revelations).


 * T'Pas - her mother (NF novels : 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 novelisation 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 (DC Comics first series).

Meyer

 * Meyer - his ancestor (DC Comics first series).

More forthcoming