I've spent the last few hours playing around with Ancestry's Famous Relatives search option. I'm astounded to see the eccentric mix of entertainers, artists, writers, presidents, and royalty.
On my Alsabrook side I'm related to:
Jacqueline Bouvier Kennedy Onassis
On my Rawls side I'm related to:
On my Merrill side I'm related to:
There are a few more that I'm checking out to be sure they're accurate, but the list so far is pretty interesting! :)