Isabella of Scotland, Countess of Norfolk ladies were sometimes allowed to ride out under the strictest guard. Upon Isabella's release, she was required to marry English noble Roger Bigod, 4th Earl of Norfolk. All of the sisters married English nobility whilst Alexander was required to marry Princess Joan, daughter of King John. Roger was roughly fourteen years Isabella's junior. Henry III of England granted her property when she married Roger in May 1225. Roger became a ward of his new brother-in-law King Alexander; he held the position until 1228. Isabella was second-in-line to the Scottish throne (after her sister Margaret) until 1227 when Margaret's daughter and
John, King of England to emerge during the Tudor period, mirroring the revisionist histories of the time. The anonymous play "The Troublesome Reign of King John" portrayed the king as a "proto-Protestant martyr", similar to that shown in John Bale's morality play "Kynge Johan", in which John attempts to save England from the "evil agents of the Roman Church". By contrast, Shakespeare's "King John", a relatively anti-Catholic play that draws on "The Troublesome Reign" for its source material, offers a more "balanced, dual view of a complex monarch as both a proto-Protestant victim of Rome's machinations and as a weak, selfishly motivated ruler". Anthony