Humphrey de Bohun, 4th Earl of Hereford all the refugees who entered the castle were taken prisoner by its formerly pro-English governor Walter fitz Gilbert who, like many Lowland knights, declared for Bruce as soon as word came of the Scottish King's victory. Humphrey de Bohun was ransomed by Edward II, his brother-in-law, on the pleading of his wife Isabella. This was one of the most interesting ransoms in English history. The Earl was traded for Bruce's queen, Elizabeth de Burgh and daughter, Marjorie Bruce, two bishops amongst other important Scots captives in England. Isabella MacDuff, Countess of Buchan, who had crowned Robert Bruce in 1306 and
Edward III of England king in London on 25 January 1327. The new king was crowned as Edward III on 1 February at the age of 14. It was not long before the new reign also met with other problems caused by the central position at court of Roger Mortimer, who was now the "de facto" ruler of England. Mortimer used his power to acquire noble estates and titles, and his unpopularity grew with the humiliating defeat by the Scots at the Battle of Stanhope Park and the ensuing Treaty of Edinburgh–Northampton, signed with the Scots in 1328. Also the young king came into