Robert de Clifford, 1st Baron de Clifford four children: Clifford was killed on 24 June 1314 fighting at the Battle of Bannockburn and was buried at Shap Abbey in Westmoreland. Robert de Clifford, 1st Baron de Clifford Robert de Clifford, 1st Baron de Clifford (1 April 1274 - 24 June 1314), of Appleby Castle, Westmorland, feudal baron of Appleby and feudal baron of Skipton in Yorkshire, was an English soldier who became 1st Lord Warden of the Marches, responsible for defending the English border with Scotland. He was born at Clifford Castle, Herefordshire, a son of Roger II de Clifford (d.1282) (a grandson of Walter II de
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,