Duke of Norfolk investiture, who were also Knights of the Order of the Garter across all creations of the title. <section end=FamilyTree /> Duke of Norfolk The Duke of Norfolk is the premier duke in the peerage of England, and also, as Earl of Arundel, the premier earl. The Duke of Norfolk is, moreover, the Earl Marshal and Hereditary Marshal of England. The seat of the Duke of Norfolk is Arundel Castle in Sussex, although the title refers to the county of Norfolk. The current duke is Edward Fitzalan-Howard, 18th Duke of Norfolk. The dukes have historically been Catholic, a state of affairs
Prince Augustus Frederick, Duke of Sussex Frederick, Duke of Sussex. A year after the death of Lady Augusta D'Ameland (Lady Augusta Murray) , the Duke of Sussex married a second time on 2 May 1831 (again in contravention of the Royal Marriages Act) to Lady Cecilia Letitia Buggin (1793–1873), the eldest daughter of Arthur Gore, 2nd Earl of Arran, and Elizabeth Underwood, and the widow of Sir George Buggin. On the same day, Lady Cecilia assumed the surname Underwood by Royal Licence. She was never titled or recognized as the Duchess of Sussex, however she was created Duchess of Inverness in her own right by Queen