Mary, Princess Royal and Princess of Orange (born 1631)

Mary, Princess Royal and Princess of Orange

British princess of the House of Stuart, Princess of Orange from 1647 to 1650

Mary, Princess Royal, was a British princess, a member of the House of Stuart, and by marriage Princess of Orange and Countess of Nassau. She acted as regent for her minor son from 1651 to 1660. She was the first holder of the title Princess Royal.