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 Turnberry the castle. Henry de Percy was forced to leave the castle after this defeat. Battle of Turnberry The Battle of Turnberry was a battle fought in February 1307 during the Scottish Wars of Independence near Turnberry, Ayrshire, Scotland. King Robert I of Scotland's invasion of his ancestral lands in Annandale and Carrick began in 1307. The Carrick invasion force was led by Robert, his brother Edward de Brus, James Douglas, Lord of Douglas and Robert Boyd. The force comprised thirty three galleys. They sailed to Turnberry and landed near Turnberry Castle. The invasion force quickly overwhelmed the English forces of