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 Bruce, 2nd Baron of Clackmannan and killed on 23 July 1403, during the Battle of Shrewsbury, and his son Robert succeeded him as third baron. Robert Bruce, 2nd Baron of Clackmannan Sir Robert Bruce, 2nd Baron of Clackmannan & Rate (died 23 July 1403) was the son of Sir Thomas Bruce 1st Baron of Clackmannan and Marjorie Charteris of Stenhouse. Robert Bruce was born in Clackmannan, Scotland the son of Thomas Bruce, 1st Baron of Clackmannan and his wife Marjory. Robert received more land in Clackmannan in 1359 from his cousin, King David II, and additional land in Rate, Scotland in 1367. He married Isabel