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
Sir John Oldcastle it is generally thought, because of political pressure: the historical Oldcastle was not only a Protestant martyr, but a nobleman with powerful living descendants in Elizabethan England. These were the Lords Cobham: William Brooke, 10th Baron Cobham (died 6 March 1597), was Warden of the Cinque Ports (1558–97), Knight of the Order of the Garter (1584), and member of the Privy Council (1586–97); his son Henry Brooke, 11th Baron Cobham, was granted the paternal post of Warden of the Cinque Ports upon his father's death, and made a Knight of the Order of the Garter in 1599. Even more so,