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
Prince Philip, Duke of Edinburgh returned to the United Kingdom on the "Whelp", and was posted as an instructor at HMS "Royal Arthur", the Petty Officers' School in Corsham, Wiltshire. In 1939, King George VI and Queen Elizabeth toured the Royal Naval College, Dartmouth. During the visit, the Queen and Earl Mountbatten asked Philip to escort the King's two daughters, Elizabeth and Margaret, who were Philip's third cousins through Queen Victoria, and second cousins once removed through King Christian IX of Denmark. Elizabeth fell in love with Philip and they began to exchange letters when she was thirteen. Eventually, in the summer of 1946, Philip