The grandchild-in-law of one's grandparent-in-law's sibling.
by Elivaldeq November 24, 2019

Sesquiple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and three great-grandparents in common.
My sesquiple-second-cousin is a good person.
by ZWRB6738 February 22, 2022

My second-cousin-thrice-removed is a good person.
by JAMP12 September 21, 2021

Living being that has zero parents, zero grandparents and six great-grandparents in common with other living beings.
triple-second-cousin.
by Simaduria July 26, 2024

by Hgcloziw November 23, 2019

second-cousin-twice-removed.
by Simaduria July 26, 2024

My second-cousin-1X-removed is a good person.
by N8953SW June 26, 2021
