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
Scots language mainly for geographical and cultural features, such as "ceilidh", "loch" and "clan". From the thirteenth century, the Early Scots language spread further into Scotland via the burghs, which were proto-urban institutions first established by King David I. In the fourteenth century Scotland, the growth in prestige of Early Scots and the complementary decline of French, made Scots the prestige dialect of most of eastern Scotland. By the sixteenth century Middle Scots had established orthographic and literary norms largely independent of those developing in England. From 1610 to the 1690s during the Plantation of Ulster some 200,000 Scots-speaking Lowlanders settled in