Sir John Oldcastle ("Epistle to Sir Harry Bourchier", c. 1625) and Thomas Fuller ("Worthies of England," 1662). It is also indicated in details in the early texts of Shakespeare's plays. In the quarto text of "Henry IV, Part 2" (1600), one of Falstaff's speech prefixes in Act I, Scene ii is mistakenly left uncorrected, "Old." instead of "Falst." In III,ii,25-6 of the same play, Falstaff is said to have been a "page to Thomas Mowbray, Duke of Norfolk" — which was true of the historical Oldcastle. In "Henry IV, Part 1", I,ii,42, Prince Hal calls Falstaff "my old lad of the castle." Iambic
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"