Pierre Rainier Stefano Casiraghi, Monaco. Andrea Casiraghi Courses - XpCourse With a personal fortune estimated at $2 billion, he is the youngest member of Forbes' annual World's Billionaires list. He his the eldest grandkid of Rainier III, the Prince of Monaco and former actress Grace Kelly. 28-year-old Liesel Pritzker, best known for her feature role in the 1995 Warner Bros film A Little Princess, . Andrea Casiraghi, second in line to Monaco's throne, weds Colombian heiress . Pierre Casiraghi. Pierre Casiraghi, fils de Caroline de Monaco - L'Internaute Tatiana Santo Domingo included in billionaire list | HELLO! Pierre Casiraghi and his wife Beatrice Boromeo-Casiraghi. Pierre Casiraghi is Charlotte Casiraghi of Monaco's younger brother. Pierre Casiraghi et Beatrice Borromeo étaient ce week-end au Grand Prix de Monaco, accompagnés le samedi de leurs jeunes fils Stefano et Francesco. Prince Pierre Casiraghi is in line to the throne of Monaco as the son of Princess Caroline, but that hasn't stopped this "party prince" from making headlines. Stefano Casiraghi, Husband Of Princess Caroline, Dies | AP News The first child of Princess Carolina of Monaco and her husband Stefano Casiraghi is Andrea Albert Pierre Casiraghi Grimaldi.Was born June 8, 1984, he is the grandson of his Serene Highness Raniero III of Monaco and nephew of the current sovereign of the Principality of Monaco, Your Serene Highness Albert II of Monaco.. Andrea was born at the Princess Grace Hospital Center in Monte Carlo . He was born on August 24, 2003 and his birthplace is Paris, France. Pierre has been married to Italian aristocrat and journalist Beatrice Borromeo . He beat big sis to the altar in 2015, when he married the glamorous Beatrice Borromeo, a former journalist and model. Siblings: Charlotte and Pierre Casiraghi, . Royal Wedding in Monaco: Pierre Casiraghi and Bride-to-Be Beatrice ... Meet Grace Kelly's Gorgeous Daughter Who Is a Princess Now Engeco SA is the major source of Casiraghi's fortune. JEAN-PAUL FRONZES October 3, 1990. Princess Caroline of Monaco and Prince Ernst August of Hanover ...