2560078 Guidon of the Marquis of Granby\'s 21st Light Dragoons, c.1760 (silk) by English School, (18th century); Belvoir Castle, Leicestershire, UK; (add.info.: Lieutenant-General John Manners, Marquess of Granby PC, (2 January 1721 ??18 October 1770), British soldier, was the eldest son of the 3rd Duke of Rutland. As he did not outlive his father, he was known by his father\'s subsidiary title, Marquess of Granby. The regiment commandeered horses from the Belvoir Hunt in 1760 to support the cavalry in 1760.).