The Duke of Sussex is a peerage title conferred upon Prince Augustus Frederick (1773-1843), sixth son of King George III. He was created Duke of Sussex and Earl of Inverness (in the Peerage of Great Britain), and Baron Arklow (in the Peerage of Ireland) on 25 November 1801. Since he died without legitimate issue, the title became extinct.
Duke, Duke of Albany, Duke of Cambridge, Duke of Clarence, Duke of Connaught, Duke of Cumberland, Duke of Edinburgh, Duke of Gloucester, Duke of Kent, Duke of York, Prince of Wales, Earl of Sussex, Sussex