Robert Stewart, 1st Marquess of Londonderry (1739–1821), Anton Raphael Mengs

Object Type: painting. Genre: portrait. Place of creation: Rome. Dimensions: height: 102.9 cm (40.5 in) ; width: 74.9 cm (29.4 in). Medium: oil on canvas. Depicted People: Robert Stewart, 1st Marquess of Londonderry. Collection: National Trust. Anton Raphael Mengs (1728-1779) - Robert Stewart (1739–1821), Later 1st Marquess of Londonderry - 1220974 - National Trust