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
Robert the Bruce and his party then attacked Dumfries Castle where the English garrison surrendered. Bruce hurried from Dumfries to Glasgow, where his friend and supporter Bishop Robert Wishart granted him absolution and subsequently adjured the clergy throughout the land to rally to Bruce. Nonetheless, Bruce was excommunicated for this crime. English records still in existence today tell a completely different story. They state that the Comyn murder was planned in an attempt to gain the throne of Scotland. For this reason King Edward of England wrote to the Pope and asked for his excommunication of Robert Bruce. No records have ever been