Caption:
Henry Fitzroy, 1st Duke of Grafton, 1663-1690. Illegitimate son of King Charles II and Barbara Villiers, Duchess of Cleveland. Mezzotint engraving by Robert Dunkarton after a portrait by Sir Godfrey Kneller from Richard Earlom and Charles Turner's Portraits of Characters Illustrious in British History Engraved in Mezzotinto, published by S. Woodburn, London, 1814.