Princess Charlotte of Monaco, Duchess of Valentinois, born Charlotte Louise Juliette Louvet in Constantine, French Algeria on 9/30/1898. Died on 11/15/77. She was the daughter of Louis III, Prince of Monaco, and the mother of Rainer III, Prince of Monaco. From 1922 to 1944, she was the Hereditary Princess of Monaco, heir presumptive to the throne. She was married once, with two children!