Princess Antoinette, Baroness of Massy was a member of the princely family of Monaco. She was the elder sister of Prince Rainier III. Her parents were Princess Charlotte, Duchess of Valentinois and Count Pierre de Polignac. After plotting to depose her brother, she was effectively exiled from the royal family.
- Occupation
- politician
- Position held
- Prince of Monaco
- Citizenship
- France
- Born
- December 28, 1920
- Died
