Marie-Madeleine Masson de Plissay, Mme Claude-René Cordier de Launay de MONTREUIL, known as the Présidente de MONTREUIL (1721-1789), mother-in-law of the Marquis de Sade. 5L.A. (one signed with her initials), [1768?-1781], to Gaspard Gaufridy, one to the Abbé de Sade; 14pages in-4, addresses. Echauffour September 30 [1768?], to Abbé de Sade at his Château de Saumane. She gives the abbé good news of her nephew. "If he continues to behave as he has for the past two months, he will deserve the return of your kindness. He will regain my friendship. He wished to be with his wife and promised to leave his new mistress"... Etc. March 9 [1775]. On the subject of his son-in-law and the measures to be taken to hush up the Lyon affair, in particular a woman who must be put in a convent to keep her quiet; financial worries: "it's Mr de S. who for 10 years has been gradually ruining himself. [...] There is too much bitterness between Mr. de S.'s relatives and my daughter to hope that they can ever come to an agreement. [...] They do us the honor of taking us for fools aparament. Be that as it may, I will follow with activity all that must be done for the rehabilitation of honor and the preservation of property"... Paris April 14, 1778. On measures to be taken in secret with the police to reach the girls in Marseille. She pities her daughter, but she must deceive her to save her interests and those of her children. Château de la Verrière, June 8 [1778]. She has warned Sade of his forthcoming transfer to Aix, the only course of action "to extricate M. de S. and his family from this fatal judgment". His life and honor were in no danger, but the minister knew too much for Sade to "count on his justification being followed by his freedom"... Paris March 20, 1781. Concerning the "little knight" who is about to leave for Malta. She requests an attestation from the sénéchaussée of Forcalquier stating "that the Marquise de Sade was still administrator of her husband's property"...