Prince Jean, Duke of Guise king of France as "Jean III". The title was disputed by members of the Spanish Anjou branch of the family, descended from Louis XIV of France. He died in Larache, Morocco, in 1940. He was succeeded as claimant to the French throne by his only son, Henri d' Orléans, Count of Paris. In 1899, he 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: Prince Jean, Duke of Guise Prince Jean of Orléans, Duke of Guise (Jean Pierre Clément Marie;
Prince Philip, Duke of Edinburgh sisters were Margarita, Theodora, Cecilie, and Sophie. He was baptised into the Greek Orthodox Church. His godparents were his paternal grandmother Queen Olga of Greece and Alexandros S. Kokotos, Mayor of Corfu. Shortly after Philip's birth, his maternal grandfather, Prince Louis of Battenberg, then known as Louis Mountbatten, Marquess of Milford Haven, died in London. Louis was a naturalised British citizen, who, after a career in the Royal Navy, had renounced his German titles and adopted the surname Mountbatten, an Anglicized version of Battenberg, during the First World War due to Anti-German sentiment in Great Britain. After visiting London for