Presidential family history can be fascinating. The best source is Burke's Presidential Families. My wife is in the book and that's probably the only reason I've ever heard of it. Did you know one pre-Civil War president still has a living grandson.
Shoot low, sheriff. They're riding Shetlands!
Underneath the starry flag, civilize 'em with a Krag,
and return us to our own beloved homes!
Buy War Bonds.