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 Charles in 1948 and Princess Anne in 1950. Their marriage is now the longest of any British sovereign. Philip was introduced to the House of Lords on 21 July 1948, immediately before his uncle Earl Mountbatten of Burma. Philip, like his sons Charles and Andrew and other royals, ceased to be members of the House of Lords following the House of Lords Act 1999. He never spoke in the House. After his honeymoon at the Mountbatten family home, Broadlands, Philip returned to the navy at first in a desk job at the Admiralty, and later on a staff course at