Charles Eugene of Lorraine, Prince of Lambesc

Prince Charles Eugène of Lorraine-Brionne, Duke of Elbeuf was the head of and last male member of the House of Guise, the cadet branch of the House of Lorraine which dominated France during the Wars of Religion, remained prominent as princes étrangers at court throughout the ancien régime, and participated in the émigré efforts to restore the Bourbons to the throne. He was an officer in the French and Habsburg militaries during the French Revolutionary and Napoleonic Wars.