 Lacking ambition, he lived in great simplicity and was received as a member of the société d'instruction élémentaire, several times being elected its president and putting much zeal into spreading mutual education.A doctor's mistake made an intestinal illness fatal, and he died in 1828.On 27 April 1766 Paul François de Quelen de La Vauguyon married Marie-Antoinette Rosalie de Pons de Roquefort (1751–1824), maid of the wardrobe to the comtesse de Provence.