I live for this kind of stuff. In fact, this is the kind of crap that helps me pay the mortgage.
For example, Chip Taylor, the guy who wrote "Wild Thing" (made famous by The Troggs, of course) was born James Voight and is the brother of actor John Voight. That makes him Angelina Jolie's uncle.
The Huffington Post has 14 more pieces of weirdness that will come in handy for winning bar bets.