1. What’s the most common first name in White House history, having belonged to six different U.S. presidents?

2. Charlie Parker called one of his most famous jazz compositions “Ornithology” because he was well-known by what nickname?

3. What mythical creature had the head and wings of an eagle and the body and tail of a lion?

4. The financial chief for the City of London still uses what medieval title, for the court officer who managed a king’s household?

5. What Middle Eastern “Hashemite Kingdom” is named for the river that feeds the Dead Sea?

What’s the "Kennection" between all five answers?