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.
- Occupation
- aristocrat
- Position held
- regent, Princess of Orange, Princess Royal
- Citizenship
- Kingdom of England, Dutch Republic
- Born
- November 4, 1631
- Died
- December 24, 1660