Charles Beauclerk, 1st Duke of St Albans

Charles Beauclerk, 1st Duke of St Albans (1670–1726), was the elder son of Charles II and the actress Nell Gwyn. Created Earl of Burford in 1676 and Duke of St Albans in 1684, he became a cavalry colonel in 1687 and served Emperor Leopold I at the siege of Belgrade in 1688. In 1694 he married Lady Diana de Vere, heiress of the 20th Earl of Oxford, and had twelve children.

William III made him a gentleman of the bedchamber in 1697. A Whig out of favour under Queen Anne, he regained favour under George I, received the Garter in 1718 and died at Bath in 1726.