He commanded the French vanguard at the Battle of Oudenaarde (1708), and noticed the first manoeuvre of deviation by Marlborough. Nevertheless, opposed on his lines by numerical superior forces, he was unable to change the course of events that were to happen. He married Marie-Antoinette, duchesse de Lauzun and niece of Antoine Nompar de Caumont, duc de Lauzun. They had 14 children among whom were