The Merry Wives of Windsor in 1597, after which controversy over the original naming of Falstaff (he was originally the historic Sir John Oldcastle, which presumably did not please Oldcastle's descendants) forced Shakespeare to rename the character. It appears that the joke in V,v,85–90 is that Oldcastle/Falstaff incriminates himself by calling out the first letter of his name, "O, O, O!," when his fingertips are singed with candles—which of course works for "Oldcastle" but not "Falstaff." There is also the "castle" reference in IV,v,6. 18 January 1602 was the date the play was entered into the Register of the Stationers Company. The first quarto was
John Fastolf family. The bulk of Sir John's fortune passed to Magdalen College, Oxford, where he is remembered as a benefactor, and where there is a Fastolf Society. Fastolf appears in Shakespeare's early play Henry VI, part 1 as a cowardly knight who abandons the heroic Lord Talbot. In the first two folios the name of the character is given as 'Falstaffe' not Fastolf. When Shakespeare came to write Henry IV, part 1, set in the early years of Fastolf's career, he created a disreputable boon companion for the young Prince Hal called Sir John Oldcastle. The descendants of the real Oldcastle