Negative-first-cousin-ten-times-removed: great-great-great-great-great-great-great-great-grandparent or great-great-great-great-great-great-great-great-grandchild.
My great-great-great-great-great-great-great-great-grandparent is my N1C10R in theory and my great-great-great-great-great-great-great-great-grandchild is also my N1C10R in theory.
by KNN128 May 22, 2021