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 claimed that the Queen and the Duke were drifting apart, which enraged the Duke and dismayed the Queen, who issued a strongly worded denial. On 22 February 1957, she granted her husband the style and title of a Prince of the United Kingdom by Letters Patent, and it was gazetted that he was to be known as "His Royal Highness The Prince Philip, Duke of Edinburgh". Philip was appointed to the Queen's Privy Council for Canada on 14 October 1957, taking his Oath of Allegiance before the Queen in person at her Canadian residence, Rideau Hall. Remarks he made two