John Vanderbank the Younger ( London 9 September 1694 – 23 December 1739), Algernon Seymour (1684–1750), Earl of Hertford, Later 7th Duke of Somerset, 1690s. Oil on canvas, 122 x 99 cm. On loan from the Egremont Private Collection (P). 485111. National Trust, Petworth House. photo credit: National Trust