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
Oldcastle Revolt dismissing the adoration of the cross and the practice of confession. Following his statements, Oldcastle was charged as a heretic and condemned to execution; Henry intervened once more, giving the inmate forty days to repent. Oldcastle seized the opportunity, escaping on 19 October with aid of a group of London Lollards led by William Parchmyner, and later going into hiding at latter's house in Smithfield. During November 1413, several Lollards were sent to the Tower of London, as Oldcastle began sending messages to followers of the sect throughout England. Wealthy Lollards raised funds to equip the conspirators and hire mercenaries.