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 Shakespeare jest with him at any time." As Katherine Duncan-Jones points out, this is impossible, since Mennes was two years old when John Shakespeare died. She thinks Plume may have been recording an anecdote related by Mennes taken from his father. In the 18th century a tract signed by John Shakespeare, in which he pledged to remain a Catholic in his heart, was found in the rafters of the house on Henley Street. It was seen and described by the scholar Edmond Malone. Although it was subsequently lost, a very similar copy of the formulaic text came to light in the