La Fère
Louis XV had added to the appanage of the House of Orléans the "hôtel de Grand-Ferrare" in Fontainebleau (1740), the county of Soissons (1751), the seigneuries of La Fère, Marle, Ham, Saint-Gobain, the "Ourcq canal" and the "hôtel Duplessis-Châtillon" in Paris (1766).