Sir John Oldcastle of Martyrs". Oldcastle was also a minor character in the early Elizabethan history play the "Famous Victories of Henry V" (c. 1586?), which is generally thought to have been one of Shakespeare's sources for his plays on Henry IV and Henry V. The genesis of "Sir John Oldcastle" is crucially linked to the fact that when Shakespeare's "Henry IV" plays premiered on stage in 1597–98, the character Sir John Falstaff was called Sir John Oldcastle. This is indicated by abundant external and internal evidence. The change of names, from "Oldcastle" to "Falstaff," is mentioned in seventeenth-century works by Richard James
Sir John Oldcastle Sir John Oldcastle Sir John Oldcastle is an Elizabethan play about John Oldcastle, a controversial 14th-15th century rebel and Lollard who was seen by some of Shakespeare's contemporaries as a proto-Protestant martyr. The play was originally published anonymously in 1600 (Q1), printed by Valentine Simmes for the bookseller Thomas Pavier. In 1619, a new edition (Q2) carried an attribution to William Shakespeare. The Diary of Philip Henslowe records that the play was written by Anthony Munday, Michael Drayton, Richard Hathwaye and Robert Wilson. (An entry in Henslowe's Diary records a later payment to Drayton for a second part to the