Robert Wilson (dramatist) character in the original versions of William Shakespeare's plays "Henry IV, Part 1" and "Henry IV, Part 2". Objections from descendants of the historical John Oldcastle, a Protestant martyr, appears to have been responsible both for the writing of the corrective "Oldcastle" play and the alteration of Oldcastle to Sir John Falstaff in later versions of the "Henry IV" plays. Also, Wilson has been proposed as a possible author of several anonymous Elizabethan plays, including "Fair Em", "The Pedlar's Prophecy", "A Larum for London", "Look About You", "Sir Clyomon and Sir Clamydes", and "A Knack to Know a Knave". As
Sir John Oldcastle it is generally thought, because of political pressure: the historical Oldcastle was not only a Protestant martyr, but a nobleman with powerful living descendants in Elizabethan England. These were the Lords Cobham: William Brooke, 10th Baron Cobham (died 6 March 1597), was Warden of the Cinque Ports (1558–97), Knight of the Order of the Garter (1584), and member of the Privy Council (1586–97); his son Henry Brooke, 11th Baron Cobham, was granted the paternal post of Warden of the Cinque Ports upon his father's death, and made a Knight of the Order of the Garter in 1599. Even more so,