John Oldcastle In "Henry IV, Part 2" an epilogue emphasises that Falstaff is not Oldcastle: "Falstaff shall die of a sweat, unless already a' be killed with your hard opinions; for Oldcastle died a martyr, and this is not the man." In 1599, another play, "Sir John Oldcastle", presented Oldcastle in a more kindly light. The record of Oldcastle's trial is printed in "Fasciculi Zizaniorum" (Rolls series) and in David Wilkins's "Concilia", iii. 351–357. The chief contemporary notices of his later career are given in "Gesta Henrici Quinti" ("Eng. Hist. Soc.") and in Walsingham's "Historia Anglicana". There have been many lives of
John Oldcastle in the parliament of 1404, later serving as a justice of the peace, and was High Sheriff of Herefordshire in 1406–07. In 1408 he married Joan, the heiress of Cobham — his third marriage, and her fourth. This resulted in a significant improvement of his fortune and status, as the Cobhams were "one of the most notable families of Kent". The marriage brought Oldcastle a number of manors in Kent, Norfolk, Northamptonshire and Wiltshire, as well as Cooling Castle, and from 1409 until his accusation in 1413 he was summoned to parliament as Lord Cobham. At some point in his