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 baptised in the Greek Orthodox Church. The Archbishop of Canterbury, Geoffrey Fisher, wanted to "regularise" Philip's position by officially receiving him into the Church of England, which he did in October 1947. The day preceding his wedding, King George VI bestowed the style of "Royal Highness" on Philip and, on the morning of the wedding, 20 November 1947, he was made the Duke of Edinburgh, Earl of Merioneth, and Baron Greenwich of Greenwich in the County of London. Consequently, being already a Knight of the Garter, between 19 and 20 November 1947 he bore the unusual style His Royal Highness