Duke of Norfolk of Arundel" is used as a courtesy title by the Duke's eldest son, the present one of which is Henry Fitzalan-Howard, Earl of Arundel. The style "Lord Maltravers" is used as a courtesy title by the eldest son of the Duke's eldest son (the Duke's grandson). The main residences commonly associated with the Dukes of Norfolk are: Framlingham Castle, Bungay Castle, as well as Clun Castle in Shropshire, which are now largely ruins; Worksop Manor, Carlton Towers, Norfolk House in London, and most notably Arundel Castle. Framlingham Castle was originally a part of the properties of the Earls of Norfolk,
John Mowbray, 3rd Duke of Norfolk The 20th-century Shakespeare scholar W. W. Greg places it in the reign of Henry VI, basing his conclusion in part on Thomas Fuller's posthumously published "History of the Worthies of England" (1662). If this is the case then the "Duke of Norfolk" referred to in the play would be Mowbray. According to J. M. Bromley, the play evokes "the similarities between poaching and treason", and the anonymous author deliberately links this Duke of Norfolk to both. Rudolph Fiehler noted how Blague's service to the duke was very much based upon the unsavoury characteristics of "cowardice, poaching and thievery". It has