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.
John Oldcastle of Edward Charleton, 5th Baron Cherleton, Ieuan and Sir Gruffudd Vychan, sons of Gruffudd ap Ieuan, being two of them. Oldcastle who was "sore wounded ere he would be taken", was brought to London in a horse-litter. The reward for his capture was awarded to Baron Cherleton, but he died before receiving it, though a portion was paid to his widow in 1422. On 14 December he was formally condemned, on the record of his previous conviction, and that same day was hanged in St Giles's Fields, and burnt "gallows and all". It is not clear whether he was burnt