Falstaff them: "let us every one go home, and laugh this sport o'er by a country fire; Sir John and all". Shakespeare originally named Falstaff "John Oldcastle". Lord Cobham, a descendant of the historical John Oldcastle, complained, forcing Shakespeare to change the name. Shakespeare's "Henry IV" plays and "Henry V" adapted and developed the material in an earlier play called "The Famous Victories of Henry V", in which Sir John "Jockey" Oldcastle appears as a dissolute companion of the young Henry. In the published version of "Henry IV, Part 1", Falstaff's name is always unmetrical, suggesting a name change after the
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