by Richard Murphy O'Neil January 24, 2025

1- Child of their parent’s full sibling with the other parent’s half-sibling.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
3- Sesqui-first-cousin.
4- Sesqui-1C.
2- Person who, in relation to the other person, has zero parents and three grandparents in common.
3- Sesqui-first-cousin.
4- Sesqui-1C.
My sesqui-cousin is a good person.
by Peter12369 October 21, 2021

Sixth-cousin-four-times-removed (6C4R).
My sixth-cousin-4X-removed is a good person.
by N8953SW June 26, 2021

Seventh-cousin-seven-times-removed (7C7R).
My seventh-cousin-7X-removed is a good person.
by N8953SW June 26, 2021

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

1- Half-great-great-grandpibling's great-great-grandchild.
2- Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and one great-great-great-grandparent in common.
2- Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and one great-great-great-grandparent in common.
Half-fourth-cousin.
by Cerejini May 21, 2024

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