Robert Bruce, Lord of Liddesdale Robert Bruce, Lord of Liddesdale Sir Robert Bruce, Lord of Liddesdale (died 11 August 1332) was an illegitimate son of King Robert the Bruce and an unknown mother. He was knighted and awarded the royal arms at the Battle of Bannockburn. His father made him Lord of Liddesdale after William II de Soules was found guilty of treason at the Black Parliament of 1320. It has been suggested that he may have been the father of Thomas Bruce, 1st Baron of Clackmannan, but there is no clear evidence for this. Faced with Edward Balliol's invasion of Scotland, he and Donnchadh
Robert the Bruce campaign into Scotland. Though he captured the castles of Bothwell and Turnberry, he did little to damage the Scots' fighting ability, and in January 1302 he agreed to a nine-month truce. It was around this time that Robert the Bruce submitted to Edward, along with other nobles, even though he had been on the side of the Scots until then. There were rumours that John Balliol would return to regain the Scottish throne. Soules, who had probably been appointed by John, supported his return, as did most other nobles. But it was no more than a rumour and nothing came