Mary was the first to bear the title, Princess Royal.
Philippe, Duke of Orleans, younger (2nd) son of Louis XIII, King of France
Brother of Louis XIV, King of France
First king of Prussia (1701-13) and as Frederick II, elector of Brandenburg
(1688-1701, son of Frederick William the Great Elector. Frederick endeavored
to establish a court modeled on that of Louis XIV of France.
Anne was the dau. of Duke of Nevers