John Oldcastle alive. His heretical opinions and early friendship with Henry V created a traditional scandal which long continued. In the old play "The Famous Victories of Henry V", written before 1588, Oldcastle figures as the Prince's boon companion. When Shakespeare adapted that play in "Henry IV, Part 1", Oldcastle still appeared, but when the play was printed in 1598, the name was changed to Falstaff (modelled after John Fastolf), in deference to one of Oldcastle's descendants, Lord Cobham. Though the fat knight still remains "my old lad of the Castle", the stage character has nothing to do with the Lollard leader.
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