And, the Unser name is familiar to me, even as a somewhat Indy 500 novice. I know there were several Unsers who have won the race. A quick look at Wikipedia showed that Al Unser, Jr is a two-time Indy 500 winner: 1992 and 1994.
His father, Al Unser, Sr., has won it as has his uncle Bobby.
I Reckon You'd Call The Family Racing Royalty. --RoadDg