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 military career Oldcastle became a trusted supporter of Henry, Prince of Wales, later to become King Henry V, who regarded Sir John as "one of his most trustworthy soldiers". Oldcastle was a member of the expedition which the young Henry sent to France in 1411 in a successful campaign to assist the Burgundians in the Armagnac-Burgundian Civil War. Lollardy had many supporters in Herefordshire, and Oldcastle himself had adopted Lollard doctrines before 1410, when the churches on his wife's estates in Kent were laid under interdict for unlicensed preaching. In the convocation which met in March 1413, shortly before the