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 further been suggested that his comic catchphrase was deliberately intended to invoke Sir John Falstaff, one of Shakespeare's best known characters, for the audience. In Shakespeare's "Henry IV, Part 2", Justice Shallow refers to Falstaff as having once been a page to "Thomas Mowbray, Duke of Norfolk", Mowbray's grandfather. Falstaff is commonly considered to be a fictional representation of either Sir John Oldcastle or Sir John Fastolf—or possibly an amalgamation of the two—both of whom are variously associated with Mowbray. John Mowbray, 3rd Duke of Norfolk John Mowbray, 3rd Duke of Norfolk, KG, Earl Marshal (12 September 1415 – 6