Andrew Harclay, 1st Earl of Carlisle the Scots, under the command of Robert the Bruce, at the Battle of Old Byland in Yorkshire. The English commander, John of Brittany, Earl of Richmond, was taken prisoner, while the king himself barely escaped capture. It was the worst defeat the English had suffered in the wars since the Battle of Bannockburn in 1314. Harclay had received a summons to join the royal army, but had not been able to bring his troops south in time to come to the king's rescue. The event convinced him that the war against Scotland could not be won under the leadership of
Robert the Bruce Robert Bruce. The future king was now twenty-two, and in joining the rebels he seems to have been acting independently of his father, who took no part in the rebellion and appears to have abandoned Annandale once more for the safety of Carlisle. It appears that Robert Bruce had fallen under the influence of his grandfather's friends, Wishart and Stewart, who had inspired him to resistance. With the outbreak of the revolt, Robert left Carlisle and made his way to Annandale, where he called together the knights of his ancestral lands and, according to the English chronicler Walter of Guisborough,