Prince Jean, Duke of Guise Prince Jean, Duke of Guise Prince Jean of Orléans, Duke of Guise (Jean Pierre Clément Marie; 4 September 1874 – 25 August 1940), was the son of Prince Robert, Duke of Chartres (1840–1910), grandson of Prince Ferdinand Philippe and great-grandson of Louis Philippe I, King of the French. His mother was Françoise of Orléans, daughter of François, Prince of Joinville, and Princess Francisca of Brazil. Upon the death of his cousin and brother-in-law Philippe, Duke of Orléans, claimant to the throne of France as "Philip VIII", the Duke of Guise became, at least for his Orleanist and Unionist supporters, titular
Prince Philip, Duke of Edinburgh two terms at Salem, Philip moved to Gordonstoun. In 1937, his sister Cecilie, her husband Georg Donatus, Hereditary Grand Duke of Hesse, her two young sons, Ludwig and Alexander, her newborn infant and her mother-in-law, Princess Eleonore of Solms-Hohensolms-Lich, were killed in an air crash at Ostend; Philip, then sixteen years old, attended the funeral in Darmstadt. The following year, his uncle and guardian Lord Milford Haven died of bone marrow cancer. After leaving Gordonstoun in early 1939, Philip completed a term as a cadet at the Royal Naval College, Dartmouth, then repatriated to Greece, living with his mother in