John Weever of a religious tone, "The Mirror of Martyrs" and "An Agnus Dei". "The Mirror of Martyrs or The Life and Death of ... Sir John Oldcastle" may have been part of a backlash. In his preface Weever calls it the "first trew Oldcastle", perhaps on account of the fact that Shakespeare's character Falstaff first appeared as "Sir John Oldcastle". Weever's work is influenced by John Bale's 1544 biography of Oldcastle, which presents him as a proto-Protestant martyr. In the fourth stanza of this long poem, in which Sir John is his own panegyrist, occurs a reminiscence of Shakespeare's "Julius Caesar"
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,