 The National Portrait Gallery has a portrait of John Pollexfen Bastard standing beside his younger brother Edmund in a mezzotint of a painting by James Northcote.He also can be spotted in Karl Anton Hickel's "William Pitt addressing the House of Commons on the French Declaration of War", 1793 in the collection of the National Portrait Gallery.A detailed account of his last journey and subsequent death can be found in the letters of Miss Eliza Simcoe, daughter of John Graves Simcoe, who travelled with John Pollexfen Bastard and his wife to Leghorn as part of her Grand Tour.