The name "King Philip" was an informal reference to the Native American chief Metacomet, who led the Wampanoag Confederacy against New England colonists from 1675 to 1676. He started King Philips war...
Because it would esculate hime above the queen, who is the member of the royal family. It is as on a pack of cards, the king beats the queen, but the prince/jack is beaten by the queen.