Andrea Albert Pierre Casiraghi is the elder son of Caroline, Princess of Hanover, and her second husband Stefano Casiraghi. He is the eldest grandchild of Rainier III, Prince of Monaco, and American actress Grace Kelly. Casiraghi is currently fourth in the line of succession to the Monegasque throne, following his twin cousins and his mother.
Andrea Casiraghi, 2008
Princess Caroline of Monaco
Princess Caroline Louise Marguerite of Monaco is Princess of Hanover by marriage to Prince Ernst August. As the eldest child of Rainier III, Prince of Monaco, and Grace Kelly, she is the elder sister of Albert II, Prince of Monaco, and Princess Stéphanie.
Princess Caroline in 2009
Princess Caroline and Albert, then Hereditary Prince of Monaco, with Ronald and Nancy Reagan in Washington, D.C., on 28 March 1983