John Oldcastle John Oldcastle Sir John Oldcastle (died 14 December 1417) was an English Lollard leader. Being a friend of Henry V, he long escaped prosecution for heresy. When convicted, he escaped from the Tower of London and then led a rebellion against the King. Eventually, he was captured and executed in London. He formed the basis for William Shakespeare's character John Falstaff, who was originally called John Oldcastle. Oldcastle's date of birth is unknown, although dubious and possibly apocryphal sources place it variously at 1360 or 1378. His father was Richard Oldcastle of Almeley in northwest Herefordshire. His grandfather, also called
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