George Thompson, his Wife and (?) his Sister-in-Law, John Hamilton Mortimer, between 1766 and 1768

Object Type: painting. Date: between 1766 and 1768. Dimensions: height: 126 cm (49.6 in) ; width: 99.7 cm (39.2 in). Medium: oil on canvas. Collection: Tate. John Hamilton Mortimer (1740-1779) - George Thompson, his Wife and (^) his Sister-in-Law - N06158 - National Gallery