1- Half-pibling's child / Parent's half-nibling.
2- Person who, in relation to the other person, has zero parents and one grandparent in common.
3- Half-first-cousin.
4- Half-1C.
2- Person who, in relation to the other person, has zero parents and one grandparent in common.
3- Half-first-cousin.
4- Half-1C.
My half-cousin is a good person.
by Peter12369 October 21, 2021

Octuple-3C:
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and sixteen great-great-grandparents in common.
Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and sixteen great-great-grandparents in common.
My octuple-third-cousin is a good person.
by Gerald128 May 15, 2021

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

Parent's half-sibling's child. Has among themselves; different two parents, one grandparent in common and different three grandparents.
My half-cousin is a good person.
by Usery May 2, 2021

Sesquaple-2C: Person who, in relation to the other person, has zero parents, zero grandparents and seven great-grandparents in common.
My sesquaple-second-cousin is a good person.
by ZYRB3256 February 21, 2022

by xxmelato November 14, 2021

Fifth-cousin-four-times-removed (5C4R).
My fifth-cousin-4X-removed is a good person.
by N8953SW June 26, 2021
