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
Royal Scots Navy Royal Scots Navy The Royal Scots Navy (or Old Scots Navy) was the navy of the Kingdom of Scotland from its origins in the Middle Ages until its merger with the Kingdom of England's Royal Navy per the Acts of Union 1707. There are mentions in Medieval records of fleets commanded by Scottish kings in the twelfth and thirteenth centuries. King Robert I (1274-1329, reigned 1306-1329), developed naval power to counter the English in the Wars of Independence (1296-1328), and after the establishment of Scottish independence continued to build up naval capacity. In the late fourteenth century naval warfare with