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
Siôn Cent cover of Alex Gibbon's book "The Mystery of Jack of Kent & the Fate of Owain Glyndŵr". It has been said to depict Sir John Oldcastle, Sir John Scudamore, Owain Glyndŵr or Sion Cent. Sion Cent is said to have been a chaplain to the Scudamore family, secretary to Sir John Scudamore, tutor to his children, later joining a Franciscan order abroad and returning again several years later as chaplain once more. He was said to be highly educated, fluent in Welsh, Latin and English and he is also said to have translated the Bible into Welsh. Siôn is most