== Morte ==Di ritorno da Plombières, dove si trovava sua moglie, il duca stava per partire per Saint-Omer a rivedere parte dell'esercito in operazioni sul Marne, di cui era stato fatto il comandante. ###>==Death==Returning from Plombières, where he was going to his wife, the Duke was about to leave for Saint-Omer to review part of the army on operations on the Marne, of which he had been made the commander.