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 his age and background. In an address to the General Dental Council in 1960, he jokingly coined a new word for his blunders: "Dontopedalogy is the science of opening your mouth and putting your foot in it, a science which I have practised for a good many years." Later in life he suggested his comments may have contributed to the perception that he is "a cantankerous old sod". The historian David Starkey has described him as a kind of "HRH Victor Meldrew". For example, in May 1999 British newspapers accused Philip of insulting deaf children at a pop concert in