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
John Oldcastle restraint, and the abbeys dissolved and their riches shared out. King Henry, forewarned of their intention by a spy, moved to London, and when the Lollards assembled in force in St Giles's Fields on 10 January they were easily dispersed by the king and his forces. Oldcastle himself escaped into deepest northwest Herefordshire, and for nearly four years avoided capture. Apparently he was privy to the Southampton Plot in July 1415, when he stirred some movement in the Welsh Marches. On the failure of the scheme he went again into hiding. Oldcastle was no doubt the instigator of the abortive