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 to his eldest son, Robert, the future king, so as to protect the Bruce's kingship claim while their middle lord (Robert the Bruce's father) now held only English lands. While the Bruces' bid for the throne had ended in failure, the Balliols' triumph propelled the eighteen-year-old Robert the Bruce onto the political stage in his own right. Even after John's accession, Edward still continued to assert his authority over Scotland and relations between the two kings soon began to deteriorate. The Bruces sided with King Edward against King John and his Comyn allies. Robert the Bruce and his father both