Pontefract Castle earl becoming a martyr with his tomb at Pontefract Priory becoming a shrine. It next went to Henry, Duke of Lancaster and subsequently to John of Gaunt, third son of King Edward III. He made the castle his personal residence, spending vast amounts of money improving it. In the closing years of the 14th century, Richard II had banished John of Gaunt’s son Henry Bolingbroke, Duke of Hereford from the country and with the death of John of Gaunt, Duke of Lancaster in 1399, much of Bolingbroke's patrimony was being given away by Richard II to his favourites. The castle
Edmund de Lacy, Baron of Pontefract his mother Margaret de Quincy and on her death would have inherited the Earldom of Lincoln that vested in her. (His father had only been Earl by rights of his wife.) As he predeceased his mother he never became the Earl of Lincoln. He was an important landholder in northern England, with a strategic manor at Stanbury which was important for east-west communication, and as Lord of the Honour of Pontefract he possessed Pontefract Castle. He was brought up at the royal court of Henry III of England and Eleanor of Provence, and made a 'Savoyard' marriage to one of