James Gillray’s 1791 satiric print Weird Sisters: Ministers of Darkness; Minions of the Moon recasts the three witches from Fuseli’s painting of Macbeth as William Dundas (Home Secretary), William Pitt (Prime Minister), and Edward Thurlow (Lord Chancellor in the Pitt administration until 1792). See Mary Dorothy George, Catalogue of Political and Personal Satires, BM 7937.