Henry IV, Part 2 rebel Sir John Oldcastle, for "Oldcastle died martyr, and this is not the man." Falstaff had originally been named Oldcastle, following Shakespeare's main model, an earlier play "The Famous Victories of Henry V". Shakespeare was forced to change the name after complaints from Oldcastle's descendants. While it is accepted by modern critics that the name was originally Oldcastle in Part 1, it is disputed whether or not Part 2 initially retained the name, or whether it was always "Falstaff". According to René Weis, metrical analyses of the verse passages containing Falstaff's name have been inconclusive. Shakespeare's primary source for "Henry
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