"Portrait of the Duchess of Humières", François de Troy, between 1675 and 1700

Presumed portrait of anne-louise-julie de crévant d'humières (1665-1742), misidentified with her mother louise antoinette de la châtre, comtesse de nancay (1635-1723). Date: between 1675 and 1700. Dimensions: height: 97 cm (38.1 in); width: 84 cm (33 in). Medium: oil on canvas. Collection: Unidentified location. Atelier de François de Troy - Portrait de la Duchesse d’Humières