Clan Sinclair to St Briavels Castle, and in 1296 he swore fealty to Edward I of England. In 1303 the Battle of Roslin took place where Scots under Henry Sinclair of Rosslyn and the Clan Comyn defeated an English force. The Battle of Loudoun Hill took place in 1307 where Scots under Robert the Bruce, assisted by Henry Sinclair of Rosslyn again defeated the English. The family initially favoured John Balliol's claim to the throne but later it became paramount that they gave their loyalty to Robert the Bruce. The Battle of Bannockburn was fought in 1314, where the Clan Sinclair fought
Robert the Bruce the 19th century. In 1974 the Bruce Memorial Window was installed in the north transept, commemorating the 700th anniversary of the year of his birth. It depicts stained glass images of the Bruce flanked by his chief men, Christ, and saints associated with Scotland. A 1929 statue of Robert the Bruce is set in the wall of Edinburgh Castle at the entrance, along with one of William Wallace. In Edinburgh also, the Scottish National Portrait Gallery has statues of Bruce and Wallace in niches flanking the main entrance. The building also contains several frescos depicting scenes from Scots history by