Sir John Oldcastle O, O!," when his fingertips are singed with candles — which of course works for "Oldcastle" but not "Falstaff." There is also the "castle" reference in IV,v,6 of the same play. The name Falstaff was derived from Sir John Fastolf, who was also a historical person—allegedly a greedy and grasping individual, who had a (probably undeserved) reputation for cowardice at the Battle of Patay in 1429. Fastolf, however, died without descendants, making him safe for a playwright's use. He had already appeared as a cowardly knight in Henry VI, part 1. The name change and the Epilogue disclaimer were required,
John Oldcastle Lollard plots of 1416, and appears to have intrigued with the Scots also. In November 1417 his hiding-place was at last discovered and he was captured by Edward Charleton, 5th Baron Cherleton. Some historians believed he was captured in the upland Olchon Valley of western Herefordshire adjacent to the Black Mountains, Wales, not far from the village of Oldcastle itself in his family's old heartlands. Modern historians believe that he was hiding with some Lollard friends at a glade on Pant-mawr farm in Broniarth, in Wales called Cobham's Garden. The principal agents in the capture were four of the tenants