Pontefract was referred to as "Pomfret". William Shakespeare's play "Richard III" mentions the castle:<br> Pomfret is referred to in Shakespeare's Richard II also My lord, the mind of Bolingbroke is changed:You must to Pomfret, not unto the Tower.And, madam, there is order ta'en for you;With all swift speed you must away to France Pontefract suffered throughout the English Civil War. In 1648–49 the castle was laid under siege by Oliver Cromwell, who said it was "... one of the strongest inland garrisons in the kingdom." Three sieges by the Parliamentarians left the town "impoverished and depopulated". In March 1649, after the
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