Watch his reaction to “meeting” one of his unknown ancestors in the exclusive clip above.

Well, let’s start with the maternal side.

“It’s virtually impossible that I exist,” Manganiello toldRolling Stone.

LOS ANGELES, CALIFORNIA - DECEMBER 16: Joe Manganiello attends Metallica Presents: “The Helping Hands Concert” at Microsoft Theater on December 16, 2022 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Joe Manganiello finds out he’s descended from slaves, related to Nazis onFinding Your Roots.Kevin Winter/Getty

“You have to take the good with the bad,” Manganiello said.

“And there’s some of that with history.

And now the paternal side.

There’s a monument dedicated to him in Plymouth, Mass.

As a result of this union, Nellie’s parents, Manganiello’s great-great grandparents, disowned her.

“All of a sudden I can see myself clearly for the first time.”

Joe Manganiello’s episode ofFinding Your Rootsairs Feb. 9 on PBS.