"Portrait of a lady, traditionally identified as the Marquise de Montespan, standing three-quarter-length", Jacob Ferdinand Voet, between 1670 and 1690
Portrait of a woman, traditionally identified as madame de montespan (1640-1707) and also identified as jeanne baptiste d'albert de luynes (1670-1736)
note by ecummenic: this could be a depiction of henriette de gramont (1636 -1695) or diane gabrielle damas de thianges (1656-1715), because it bears a great resemblance portraits of these ladies (see images below). Date: between 1670 and 1690. Dimensions: height: 117.4 cm (46.2 in); width: 90.7 cm (35.7 in). Medium: oil on canvas. Collection: Unidentified location. Follower of Voet - Portrait of a lady, traditionally identified as the Marquise de Montespan