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 a period with one or more allied English noble families, such as the de Clares of Gloucester, or perhaps even in the English royal household. Sir Thomas Grey asserted in his "Scalacronica" that in about 1292, Robert the Bruce, then aged eighteen, was a 'young bachelor of King Edward's Chamber'. While there remains little firm evidence of Robert's presence at Edward's court, on 8 April 1296 both Robert and his father were pursued through the English Chancery for their private household debts of £60 by several merchants of Winchester. This raises the possibility that young Robert the Bruce was on