Prince Jean, Duke of Guise
Prince Jean of Orléans, Duke of Guise (Jean Pierre Clément Marie; 4 September 1874 – 25 August 1940), was the third son and youngest child 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. Biography. In 1926 at the death of his cousin and brother-in-law Philippe, Duke of Orléans, claimant to the throne of France as "Philip VIII", Jean was recognised by his  Orleanist supporters as titular king of France with the name "Jean III". The claim was disputed by supporters of the Infante Jaime, Duke of Madrid, Legitimist claimant to the French throne. Jean died in Larache, Morocco, in 1940. He was succeeded as Orleanist claimant to the French throne by his only son, Henri d' Orléans, Count of Paris. Marriage and issue. In 1899, Jean married his first cousin, Isabelle d'Orléans (1878–1961). She was the younger sister of Philip VIII, and the daughter of Philip VII and Marie Isabelle d'Orléans. They had four children: