Sir John Oldcastle rivals of Shakespeare's company. Curiously, this effort to redeem the Oldcastle name was at best only partially successful; allusions to the Falstaff character under the name of Oldcastle continued to appear in succeeding years — in Nathan Field's play "Amends for Ladies" (1618) and in the anonymous pamphlets "The Meeting of Gallants at an Ordinary" (1604) and "The Wandering Jew" (c. 1628), among other works. "Sir John Oldcastle" treats its subject matter in ways acceptable to the values and biases of its audience, and the interests of Elzabethan officialdom (inevitably; if it did anything else it would never have escaped
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,