triple-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and six great-great-great-grandparents in common.

Triple-fourth-cousin.

triple-fourth-cousin

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

My triple-fourth-cousin is a good person.

irregular-triple-fourth-cousin

Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and five great-great-great-grandparents in common.

Irregular-triple-fourth-cousin.