Both Bush and Kerry are decendants of a 1700th Century, a New England colonial immigrant.
Then again, if you believe the story about Adam and Eve, we're all related. This question comes to mind however, if Cain was killed, who did any of them have to mate with. Maybe more women were made out of Adam's ribs. Nice trick!
I remember I once tried to make a woman out of some sand on a beach. She was full of grit! Just kidding. I need to bash the Democrats.