Double-cousin or double-1C:
1- Child of their parent’s full sibling with the other parent’s full sibling.
2- Person who, in relation to the other person, has zero parents and four grandparents in common.
1- Child of their parent’s full sibling with the other parent’s full sibling.
2- Person who, in relation to the other person, has zero parents and four grandparents in common.
My double-first-cousin is a good person.
by Gerald128 May 15, 2021

1- Great-grandparent's sibling's grandchild / Parent's second-cousin.
2- Grandparent's sibling's great-grandchild / Second-cousin's child.
2- Grandparent's sibling's great-grandchild / Second-cousin's child.
My second-cousin-once-removed is a good person.
by ZJO8738 October 3, 2021

Parent's female half-first cousin.
My half-first cousin-aunt is a good person.
by Hgcloziw November 23, 2019

Ninth-cousin-eight-times-removed (9C8R).
My ninth-cousin-8X-removed is a good person.
by N8953SW June 26, 2021

Parent's second cousin.
by Hgcloziw November 23, 2019

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

by Keionmehki February 12, 2022
