Marthe-Marguerite Le Valois de Villette de Mursay, marquise de Caylus, was a French noblewoman and writer.
Born in Poitou, she was the daughter of vice-admiral Philippe, Marquis de Villette-Mursay, and Marie-Anne de Châteauneuf, who died in 1691. Wikipedia
Born: 1673, Poitiers, France
Died: 1729 (age 56 years), Paris, France
Children: Charles de Tubières de Caylus and Anne Claude de Caylus
Grandchild: Anne Claude Philippe Caylus Jr.
Partner: Anne III de Grimoard de Caylus
Parents: Philippe, Marquis de Villette-Mursay