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
Wars of Scottish Independence around 2,000 Scots had been slain. Edward Balliol then had himself crowned King of Scots, first at Perth, and then again in September at Scone Abbey. Balliol's success surprised Edward III, and fearing that Balliol's invasion would eventually fail leading to a Scots invasion of England, he moved north with his army. In October, Sir Archibald Douglas, now Guardian of Scotland, made a truce with Balliol, supposedly to let the Scottish Parliament assemble and decide who their true king was. Emboldened by the truce, Balliol dismissed most of his English troops and moved to Annan, on the north shore of