Sir John Oldcastle of Martyrs". Oldcastle was also a minor character in the early Elizabethan history play the "Famous Victories of Henry V" (c. 1586?), which is generally thought to have been one of Shakespeare's sources for his plays on Henry IV and Henry V. The genesis of "Sir John Oldcastle" is crucially linked to the fact that when Shakespeare's "Henry IV" plays premiered on stage in 1597–98, the character Sir John Falstaff was called Sir John Oldcastle. This is indicated by abundant external and internal evidence. The change of names, from "Oldcastle" to "Falstaff," is mentioned in seventeenth-century works by Richard James
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,