Albert II, Prince of Monaco Albert II, Prince of Monaco Albert II (Albert Alexandre Louis Pierre Grimaldi; born 14 March 1958) is the reigning monarch of the Principality of Monaco and head of the princely house of Grimaldi. He is the son of Prince Rainier III and the American actress Grace Kelly. Prince Albert's sisters are Caroline, Princess of Hanover, and Princess Stéphanie. In July 2011, Prince Albert married Charlene Wittstock. Prince Albert II is one of the wealthiest royals in the world, with assets valued at more than $1 billion, which include land in Monaco and France. Although Prince Albert does not own the
Albert I, Prince of Monaco Albert I, Prince of Monaco Albert I (13 November 1848 – 26 June 1922) was Prince of Monaco and Duke of Valentinois from 10 September 1889 until his death. He devoted much of his life to oceanography. Alongside his expeditions, Albert I made reforms on political, economic and social levels, bestowing a constitution on the Principality in 1911. Born Albert Honoré Charles Grimaldi on 13 November 1848 in Paris, France, the son of Prince Charles III (1818–1889), and Countess Antoinette de Mérode-Westerloo (1828–1864), a Belgian noblewoman, maternal aunt of Donna Maria Vittoria dal Pozzo, Princess della Cisterna, Duchess consort of