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
German submarine U-1306 . "U-1306" was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one SK C/35 naval gun, (220 rounds), one Flak M42 and two C/30 anti-aircraft guns. The boat had a complement of between forty-four and fifty-two. "U-1306" was mounted with two 2cm Flak C38 in a M 43U "Zwilling" mount with short folding shield on the upper "Wintergarten". The M 43U mount was used on a number of U-boats (, , , , , , , , and ). "U-1306" was one of only ten Type VIICs to be fitted with