Louise Renee de Penencoet de Kerouaille, Duchess of Portsmouth, Peter Lely, circa 1670-1680

So-called portrait of louise de keroual, duchess of portsmouth (1649-1734), but it's probably a depiction of elizabeth seymour, duchess of somerset (1667-1722). Date: circa 1670-1680. Dimensions: height: 127 cm (50 in); width: 101.6 cm (40 in). Medium: oil on canvas. Collection: Carnegie Museum of Art. Peter Lely - Louise de Kerouaille, Duchess of Portsmouth (?) - Carnegie Museum of Art