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
Oldcastle Revolt rise of Lollardy alarmed archbishop Arundel, who unsuccessfully accused Oldcastle of promoting heretical teachings within his estates on several occasions, due to Henry's reluctance to prosecute a close personal friend. By August 1413, Henry grew tired of Oldcastle's insubordination, permitting Arundel to prosecute him. Arundel summoned Oldcastle to appear in the Leeds Castle on 11 September 1413, but Oldcastle ignored the call and retreated to Cooling Castle, his keep. Arundel immediately excommunicated the defendant, ordering him to receive judgement on 23 September. On the same day, Oldcastle was brought to the Tower of London, accusing the Pope of being Antichrist,