From www.grafikliebhaber.de.
Details of the back of Diane Gabrielle's dress seen in the last image are seen here.
Keywords: 1696, Diane Gabrielle Damas de Thianges, Duchesse de Nevers, Damas de Thianges family, Mancini family, Duchess, French, curly coiffure, Fontanges headdress, ribboned cap, lappets, over-bodice, revers, vee neckline, elbow length close over-sleeves, cuffs, laced bodice, engageantes, waist band, natural waistline, over-skirt, bustle, train, lining, bows, under-skirt, gloves, necklace