12.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-five great-great-great-grandparents in common.
My 12.5-tuple-fourth-cousin is a good person.
by ABGR June 9, 2021
Quindecuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and thirty great-great-great-grandparents in common.
My quindecuple-fourth-cousin is a good person.
by ABGR June 9, 2021
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
Fourth-cousin-nine-times-removed (4C9R).
My fourth-cousin-9X-removed is a good person.
by N8953SW June 27, 2021
13.5-tuple-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-seven great-great-great-grandparents in common.
My 13.5-tuple-fourth-cousin is a good person.
by ABGR June 9, 2021
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
Half-4C: Person who, in relation to the other person, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and one great-great-great-grandparent in common.
My half-fourth-cousin is a good person.
by ABGR June 9, 2021