Henry IV, Part 1 of Patay, and whom Shakespeare had previously represented in "Henry VI, Part 1". Fastolf had died without descendants, making him safe for a playwright's use. Shortly afterward, a team of playwrights wrote a two-part play entitled "Sir John Oldcastle", which presents a heroic dramatisation of Oldcastle's life and was published in 1600. In 1986, the Oxford Shakespeare edition of Shakespeare's works rendered the character's name as Oldcastle, rather than Falstaff, in "Henry IV, Part 1" (although not, confusingly, in "Part 2"), as a consequence of the editors' aim to present the plays as they would have appeared during their original
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