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 in the parliament of 1404, later serving as a justice of the peace, and was High Sheriff of Herefordshire in 1406–07. In 1408 he married Joan, the heiress of Cobham — his third marriage, and her fourth. This resulted in a significant improvement of his fortune and status, as the Cobhams were "one of the most notable families of Kent". The marriage brought Oldcastle a number of manors in Kent, Norfolk, Northamptonshire and Wiltshire, as well as Cooling Castle, and from 1409 until his accusation in 1413 he was summoned to parliament as Lord Cobham. At some point in his