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
History of the Scots language the land of the English in the Kingdom of the Scots" and why the early 13th century author of "de Situ Albanie" thought that the Firth of Forth "divides the kingdoms of the Scots and of the English". Most of the evidence suggests that English spread further into Scotland via the burgh, proto-urban institutions which were first established by King David I. Incoming burghers were mainly English (especially from Northumbria, and the Earldom of Huntingdon), Flemish and French. Although the military aristocracy employed French and Gaelic, these small urban communities appear to have been using English as something more than