Marmaduke Thweng, 1st Baron Thweng Castle by the English leader John de Warenne, 6th Earl of Surrey. The castle was quickly starved into submission, and Thweng and FitzWarin were taken prisoner to Dumbarton Castle. He was summoned to Parliament in 1307, thus becoming Baron Thweng. At the Battle of Bannockburn in 1314, however, after the English defeat, Sir Marmaduke apparently made no attempt to escape. Instead he wandered over the battlefield until he located Robert the Bruce; only then was he prepared to surrender, and only to the victorious King. Robert recognised Sir Marmaduke and released him and Ralph de Monthermer, also captured, both without
Battle of Bannockburn was reopened. After the death of Edward I, his son Edward II of England came to the throne in 1307 but was incapable of providing the determined leadership his father had shown, and the English position soon became more difficult. In 1313, Bruce demanded the allegiance of all remaining Balliol supporters, under threat of losing their lands, as well as the surrender of the English forces encircling Stirling Castle. The castle was one of the most important castles held by the English, as it commanded the route north into the Scottish Highlands. It was besieged in 1314 by Robert the