Rob Gronkowski, a.k.a Gronk, is of Polish and Jewish decent. Gronkowski was born in Amherst, New York to Diane and Gordon Gronkowski.
Is Rob Gronkowski Polish
Ethnicity: Polish (at least 37.5%), some German and Swedish, possibly other Rob Gronkowski is an American professional football player, and actor. A tight end, he played for the New England Patriots and the Tampa Bay Buccaneers of the National Football League (NFL).