First cousin's great-granddaughter.
by Hgcloziw November 23, 2019

first-cousin-thrice-removed.
by Simaduria July 26, 2024

Sesqui-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and three great-great-great-grandparents in common.
My sesqui-fourth-cousin is a good person.
by ABGR June 9, 2021

Spouse's first-cousin-twice-removed's spouse.
My co-first-cousin-twice-removed-in-law is a good person.
by JAMP12 September 21, 2021

1. The daughter of one's grandparent's stepsibling.
2. The stepdaughter of one's grandparent's sibling.
3. The daughter of one's stepgrandparent's sibling.
2. The stepdaughter of one's grandparent's sibling.
3. The daughter of one's stepgrandparent's sibling.
My step-cousin-aunt is a good person.
by Elivaldeq November 24, 2019

Someone who, in relation to others, has zero parents, zero grandparents and six great-grandparents in common.
Triple-second-cousin.
by Cerejini May 21, 2024

My co-second-cousin-in-law is a good person.
by User655 July 25, 2021
