John Exton (priest)John Exton was a Canon of Windsor from 1405 to 1430CareerHe was appointed:Prebendary of the Church of St Mary de Castro, Leicester 1404 - 1405Auditor of St George's Chapel, Windsor Castle 1410 - 1411He was appointed to the sixth stall in St George's Chapel, Windsor Castle in 1404 and held the canonry until 1430.