Prince Philip, Duke of Edinburgh the Naval Staff College, Greenwich. From 1949, he was stationed in Malta (residing at Villa Guardamangia) after being posted as the first lieutenant of the destroyer HMS "Chequers", the lead ship of the 1st Destroyer Flotilla in the Mediterranean Fleet. On 16 July 1950, he was promoted to lieutenant commander and given command of the frigate HMS "Magpie". On 30 June 1952, Philip was promoted to commander, though his active naval career had ended in July 1951. With the King in ill health, Princess Elizabeth and the Duke of Edinburgh were both appointed to the Privy Council on 4 November
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