One of the most dashing and iconic figures of the War of the Three Kingdoms is Prince Rupert of the Rhine. The son of Frederick V, Elector of Palatine, and Elizabeth Stuart, daughter of King James VI of England, he fought for King Charles I’s against Parliament. The force and swiftness of his cavalry charge usually struck terror in the Parliamentarians (although it could have been more disciplined). To this day, portraits of Rupert still causes hearts to flutter.  While Rupert is mostly known as a Royalist cavalry commander, he did enjoy a brief sojourn as a Pirate Prince, sailing…