sesqui-cousin

Child of their parent’s half-sibling with the other parent’s full sibling. Has among themselves; different two parents, three grandparents in common and different one grandparent.

My sesqui-cousin is a good person.

by Usery May 2, 2021

double-cousin

Child of their parent’s full sister with the other parent’s full brother. Has among themselves; different two parents and four grandparents in common.

My double-cousin is a good person.

by Usery May 2, 2021

first-cousin

Cousin or 1C:
1- Parent's full sibling's child.
2- Person who, in relation to the other person, has zero parents and two grandparents (maternal or paternal) in common.

My first-cousin is a good person.

by Gerald128 May 15, 2021

third-cousin

3C:
1- Parent's second-cousin's child.
2- Grandparent's first-cousin's grandchild.
3- Great-grandparent's full sibling's great-grandchild.
4- Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents and two great-great-grandparents in common.

My third-cousin is a good person.

by Gerald128 May 15, 2021

fourth-cousin

4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and two great-great-great-grandparents in common.

My half-fourth-cousin is a good person.

by ABGR June 9, 2021

first-cousin-1X-removed

First-cousin-once-removed (1C1R).

My first-cousin-1X-removed is a good person.

by N8953SW June 26, 2021

first-cousin-2X-removed

First-cousin-twice-removed (1C2R).

My first-cousin-2X-removed is a good person.

by N8953SW June 26, 2021