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

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

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

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and twenty-five great-great-great-grandparents in common.
Irregular-tredecuple-fourth-cousin.
by Cerejini May 21, 2024

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and nine great-great-great-grandparents in common.
Irregular-quintuple-fourth-cousin.
by Cerejini May 21, 2024

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

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and three great-great-great-grandparents in common.
Irregular-double-fourth-cousin.
by Cerejini May 21, 2024
