This means that your great, great, great great, great, great -- with about five million "greats" in there -- grandmother was probably the same great, great, great, great grandmother with five million "greats" in there as Holly up here.
Isso quer dizer que sua tatara, tatara, tatara -- com umas cinco milhões de "tataras" -- tataravó foi provavelmente a mesma tatara, tatara, tatara tataravó com 5 milhões de "tataras" de Holly ali em cima.