SIR THOMAS LAWRENCE (1769-1830) Francis Osborne, 5th Duke of Leeds (1794-96) Oil on canvas (224 x 142 cm) Oxford, Ashmolean Museum. To enlarge the picture, click on it and open it in a new tab. Francis Godolphin Osborne (1751-1799) was a man of modest intellect and scarce political ability. The reason he is here is …