Grandparent
A grandparent was a name used to describe one's ancestor, namely the parent of one's parent, where the subject in question would be the grandparent's grandchild. Each previous generation of the initial grandparent was given the qualifier of "great", which was then compounded. (; ; )

Worf often spoke of his parents, Sergey and Helena Rozhenko, to his son Alexander as "your grandparents". ()

Familial relationships

Female 
A female grandparent was generally identified as a grandmother, and informally as grandma or nana. (; )

On  the term used by Vulcans was foremother. T'Mir was T'Pol's second foremother ("great-grandmother") and T'Les' foremother ("grandmother"). ()

Captain Janeway wondered if a surfer was her "great, great, great...great grandmother". ()

Walter Pierce's grandmother was Betazoid. ()

Captain Janeway told Seven of Nine that she could have cousins or grandparents on Earth after Seven told her she had no emotional response to Earth. ()

Male 
A male grandparent was generally identified as a grandfather, and informally as grandpa, granddad or even gramps. ()

Ira Graves claimed to have been a mentor to Doctor Noonian Soong, suggesting that made him "grandfather" to Soong's android creation, Data. () 

Deanna Troi's grandfather was someone she spent time with on Betazed while growing up. She later described him as a man who rarely spoke, noting that talking was for off-worlders and people who didn't know any better. When Troi was young, her grandfather would tell her stories to her telepathically as they sat by the fire. Troi would close her eyes and listen to his mind for hours on end. When Troi got older, the only time she could remember his stories was when she went home to Betazed and sat by the fireplace, adding that at times, when she was alone there, it was almost like she could hear his voice inside her head. ()

When Jadzia Dax prepared to leave Deep Space 9 and live as pure consciousness with Deral in another dimension, Benjamin Sisko mentioned that the next time the two would see each other again he'd be probably a great-grandfather upon which Dax replied she then could call him "Old Man". ()

Riley Frazier had fond memories, while growing up in mid-24th century Texas, of picking bluebonnets with her grandfather, who carried a walking stick. ()

When Neelix read a letter to Tuvok from his wife , he also told him that his son Sek became a father of a girl. Neelix then asked Tuvok how he should call him now, grandfather, grandpa, or gramps but Tuvok told him "Commander Tuvok" would be sufficient. ()

Culture 
See also
 "Obachan"
 "Moogie"

Examples

List of grandparents 
 
 Jonathan Archer and Esilia, paternal great-grandparents of Karyn Archer (alternate timeline)
 Benaren and Martis, maternal grandparents of Linnis Paris (alternate timeline) and maternal great-grandparents of Andrew Kim (alternate timeline)
 Dolim, maternal grandfather of a grandson
 Vera Fuller, maternal grandmother of Jamin
 Hiro Ishikawa and his wife, maternal grandparents of Molly and Kirayoshi O'Brien
 Ja'rod, paternal grandfather of Toral
 Kamin and Eline, maternal grandparents of Kamie
 maternal grandfather of Karl Four
 Keldar and Ishka, paternal grandparents of Nog
 John Kim and Mary Kim, paternal grandparents of Andrew Kim (alternate timeline)
 George Kirk and Winona Kirk, paternal grandparents of David Marcus, Peter Kirk, and two more grandsons
 Tiberius Kirk and , respective paternal and maternal grandfathers of George Samuel and James T. Kirk
 Kol-Sha, paternal grandfather of Tenavik
 Silva and Edward M. La Forge, paternal grandparents of Alandra La Forge, Bret La Forge and Sidney La Forge (alternate timeline)
 Linkasa, maternal grandfather of Drex
 Alexander Marcus and Wallace, maternal grandparents of David Marcus
 David McCoy, paternal grandfather of Joanna McCoy
 Leonard McCoy's great-great-granddaddy
 Leonard McCoy's great-great-great-great-grandfather
 Mogh and his wife
 paternal grandparents of Alexander Rozhenko and Kurn's children
 paternal grandparents of Eric-Christopher and Shannara (alternate quantum reality)
 Michael O'Brien  and his first wife, paternal grandparents of Molly and Kirayoshi O'Brien
 Miles O'Brien and Rita Tannenbaum, great-great-great-great-great-grandparents of Molly (alternate timeline)
 Maurice and Yvette Picard, paternal grandparents of René Picard
 Owen Paris:
 paternal grandfather of Miral Paris
 paternal grandfather of Linnis Paris (alternate timeline)
 Tom Paris and Kes, maternal grandparents of Andrew Kim (alternate timeline)
 Kyle and Betty Riker, paternal grandparents of Thaddeus Troi-Riker and Kestra Troi-Riker
 Connaught Rossa and her husband, paternal grandparents of Jeremiah Rossa
 Sergey and Helena Rozhenko, adoptive paternal grandparents of Alexander Rozhenko
 Sato and his wife, maternal grandparents of Toru and Yoshiko (alternate timeline)
 Michio Sato, paternal grandfather of Hoshi Sato
 Joseph and Sarah Sisko, paternal grandparents of Jake Sisko
 Skon, paternal grandfather of Sybok and Spock
 Solkar:
 paternal grandfather of Sarek
 paternal great-grandfather of Sybok and Spock
 Talur's grandmother
 Ian Andrew and Lwaxana Troi:
 maternal grandparents of Ian Andrew Troi, Jr., Thaddeus Troi-Riker, and Kestra Troi-Riker
 maternal grandparents of Eric-Christopher and Shannara (alternate quantum reality)
 John Torres and Miral, maternal grandparents of Miral Paris
 Cyrus:
 paternal grandfather of Charles Tucker II
 paternal great-grandfather of Charles Tucker III and Elizabeth Tucker
 Charles Tucker I:
 paternal grandfather of Charles Tucker III and Elizabeth Tucker
 paternal great-grandfather of Elizabeth and Lorian (alternate timeline)
 Charles Tucker II, paternal grandfather of Elizabeth and Lorian (alternate timeline)
 Tuvok and , paternal grandparents of 
 T'Meni and her husband:
 paternal grandparents of Sek, Asil, and two more grandsons
 paternal great-grandparents of T'Meni
 T'Les and her husband, maternal grandparents of Elizabeth and Lorian (alternate timeline)
 T'Mir:
 maternal grandmother of T'Les
 maternal great-grandmother of T'Pol
 maternal great-great-grandmother of Elizabeth and Lorian (alternate timeline)
 Samantha Wildman and Greskrendtregk, maternal grandparents of Sabrina (alternate timeline)
 Yar's parents, maternal grandparents of Sela

External link 
 
Family