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 John Oldcastle, was Herefordshire's MP during the latter part of the reign of King Richard II. Oldcastle is first mentioned in two separate documents in 1400, first as a plaintiff in a suit regarding the advowson of Almeley church, and again as serving as a knight under Lord Grey of Codnor in a military expedition to Scotland. In the next few years Oldcastle held notable positions in the Welsh campaigns of King Henry IV of England against Owain Glyndŵr, including captaincy first over Builth Castle in Brecknockshire and then over Kidwelly. Oldcastle represented Herefordshire as a "knight of the shire"