Fourth-cousin-nine-times-removed (4C9R).
My fourth-cousin-9X-removed is a good person.
by N8953SW June 27, 2021
Someone who, in relation to others, has zero parents, zero grandparents, zero great-grandparents, zero great-great-grandparents and seventeen great-great-great-grandparents in common.
by Cerejini May 21, 2024