Philip Mowbray John Barbour's "The Brus": He subsequently was made Governor of Stirling Castle which was held by English forces. It came under prolonged siege from Edward Bruce, the King's younger brother, and in 1314 they made a deal that the castle would return to Scottish control unless received by English forces before 24 June. When the English army arrived Mowbray advised Edward II of England against taking Bruce on, but Edward insisted leading to the Battle of Bannockburn. Mowbray subsequently changed to supporting Bruce, and was killed alongside Edward Bruce at the Battle of Faughart in 1318. His brother was Roger
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