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 the River Tay. The following year, the clergy of Scotland recognised Bruce as king at a general council. The support given him by the church, in spite of his excommunication, was of great political importance. On 1 October 1310 Bruce wrote Edward II of England from Kildrum in Cumbernauld Parish in an unsuccessful attempt to establish peace between Scotland and England. Over the next three years, one English-held castle or outpost after another was captured and reduced: Linlithgow in 1310, Dumbarton in 1311, and Perth, by Bruce himself, in January 1312. Bruce also made raids into northern England and, landing