Duke of Brissac
He did battle in the French Wars of Religion on the side of the House of Guise. He fought for the Catholic League and, as military governor of Paris, opened the gates of that city to Henry IV of France, who appointed him Marshal of France in 1594. The County of Brissac was raised in status to a Duchy in the Peerage of France in 1611. At that point, Charles became the first Duke of Brissac.