Scotland in the Middle Ages excommunication of Bruce and his followers by Pope Clement V, his support slowly strengthened; and by 1314 with the help of leading nobles such as Sir James Douglas and Thomas Randolph only the castles at Bothwell and Stirling remained under English control. Edward I had died in 1307. His heir Edward II moved an army north to break the siege of Stirling Castle and reassert control. Robert defeated that army at the Battle of Bannockburn in 1314, securing "de facto" independence. In 1320 the Declaration of Arbroath, a remonstrance to the pope from the nobles of Scotland, helped convince Pope
Robert the Bruce he delivered his infant daughter Marjorie as a hostage, which he never did. When King Edward returned to England after his victory at the Battle of Falkirk, the Bruce's possessions were excepted from the Lordships and lands that Edward assigned to his followers. The reason for this is uncertain, though Fordun records Robert fighting for Edward, at Falkirk, under the command of Antony Bek, Bishop of Durham, Annandale and Carrick. This participation is contested as no Bruce appears on the Falkirk roll of nobles present in the English army, and two 19th Century antiquarians, Alexander Murison and George Chalmers, have