Portrait of William Cavendish-Bentinck, 3rd Duke of Portland (1738-1809), Benjamin West, 1804
3rd duke of portland, prime minister in 1783 and from 1807 to 1809. This portrait was donated to the university of oxford in 1812, and was exhibited for the first time at the royal academy in 1814. Object Type: painting. Date: 1804. Dimensions: height: 243.8 cm (95.9 in); width: 182.9 cm (72 in). Medium: oil on canvas. Collection: University of Oxford. 3rd Duke of Portland 1804 cropped