 He was given his brother's governorship of Languedoc and inherited his brother's many châteaux.Like his elder brother he was little seen at court and preferred to hunt on his estate of the Château d'Anet.In March 1762 he exchanged with Louis XV the principality of the Dombes for the dukedoms of Gisors and the estates of Gretz-Armainvilliers and Pontcarré.