Henry V of England political enmity. Henry's record of involvement in war and politics, even in his youth, disproves this tradition. The most famous incident, his quarrel with the chief justice, has no contemporary authority and was first related by Sir Thomas Elyot in 1531. The story of Falstaff originated in Henry's early friendship with Sir John Oldcastle, a supporter of the Lollards. Shakespeare's Falstaff was originally named "Oldcastle", following his main source, "The Famous Victories of Henry V". His descendants objected and the name was changed (the character became a composite of several real persons, including Sir John Fastolf). That friendship, and the
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"