What Is 3rd Great Grandfather?

What Is 3rd Great Grandfather? To avoid a proliferation of “greats” when discussing genealogical trees, one may also use ordinals instead of multiple “greats”; thus a “great-great-grandfather” would be the “second great-grandfather”, and a “great-great-great-grandfather” would be a third great-grandfather, and so on. How many 3rd great grandparents do you have? Generation Number Found 2nd