The arms are those of Howard quartered with Brotherton, Warren and Fitzalan, as borne by Bernard Edward (Howard), 12th Duke of Norfolk (1765-1842), who succeeded his cousin in 1815.
The 12th Duke of Norfolk ordered a lavish dinner service from the Royal goldsmiths, Rundell, Bridge and Rundell. Six massive soup tureens, four wine coolers, and twelve entree dishes remain at Carlton Towers in Yorkshire and Arundel Castle. (See Timothy Schroeder, The Gilbert Collection of Gold and Silver, 1988, pp. 425-429)
A large group of silver from the Duke of Norfolk service comprising forty-eight dinner plates, twenty-four soup plates, a pair of open vegetable dishes, and four meat dishes in sizes, sold in these Rooms, October 20, 1999, lot 241.
Bernard Edward, 12th Duke of Norfolk, dressed for the Coronation of George IV, by Francis Philip Stephanoff, courtesy V&A Picture Library