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