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
Duke of Edinburgh-class cruiser mid-August to protect troop convoys arriving from India. While on escort duty they captured three German merchantmen. The two sisters rejoined the 1st Cruiser Squadron in December 1914, which had transferred to the Grand Fleet and participated in the Battle of Jutland in May 1916. "Black Prince" became separated from the fleet when darkness fell and was sunk with all hands by German battleships later that night. "Duke of Edinburgh" was not damaged during the battle and was the only ship of her squadron to survive. After Jutland "Duke of Edinburgh" was ordered to reinforce the patrols north of the