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 Her fo
Princess Antoinette in 1962
Princess Antoinette Park
Rainier III was Prince of Monaco from 1949 to his death in 2005. Rainier ruled the Principality of Monaco for almost 56 years.
Rainier in 1961
Prince Rainier III and Princess Grace arrive at the White House for a luncheon in May 1961.
The Princely Family in 1966
Prince Rainier III (middle) with his son Albert (left) in 1998