Spouse's first-cousin-once-removed's spouse.
My co-first-cousin-once-removed-in-law is a good person.
by JAMP12 September 21, 2021

Child of their parent’s half-sibling with their other parent’s half-sibling or the child of their mother's maternal half-sibling with mother's paternal half-sibling or the child of their father's maternal half-sibling with father's paternal half-sibling.
My double-half-first cousin is a good person.
by Mr. Jacov November 23, 2019

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

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

Seventh-cousin-twice-removed (7C2R).
My seventh-cousin-2X-removed is a good person.
by N8953SW June 26, 2021

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

Sixth-cousin-thrice-removed (6C3R).
My sixth-cousin-3X-removed is a good person.
by N8953SW June 26, 2021
