A Gaming Table at Devonshire House, 1791, Pen and ink and watercolor, sheet: 12 1/8 x 17 1/8 in. (30. 8 x 43. 5 cm), Drawings, Thomas Rowlandson (British, London 1757?1827 London), Rowlandson underscored gambling?s grip on British aristocrats at the end of the eighteenth century by centering the action in this drawing upon two sisters from the Spencer family, Georgiana, Duchess of Devonshire and Henrietta (Harriet) Ponsonby, Viscountess Duncannon