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
Sir John McMahon, 1st Baronet family: his half-brother William MacMahon obtained the coveted judicial office of Master of the Rolls in Ireland through John's influence, although in the event he proved to be a popular and respected judge. He had no children but his title passed by special remainder to his brother Thomas. He is a minor character in Georgette Heyer's novel "Regency Buck", which shows him in a rather unflattering light. Sir John McMahon, 1st Baronet Colonel Sir John McMahon, 1st Baronet (c. 1754 – 12 September 1817) was an Irish-born politician and Private Secretary to the Sovereign 1811–1817. He was born in Limerick,