Clan Mackenzie in the 13th and 14th centuries, terminated in the heiress Margaret del Ard, the Lady of Erchless, who married Alexander Chisolm of Cromer c.1350. In the 14th century during the Wars of Scottish Independence the Clan Mackenzie is said to have been among the clans who fought on the side of Robert the Bruce at the Battle of Inverurie (1308) against the forces of the Clan Comyn who were rivals to the throne. Chief Iain Mac Coinnich is said to have led a force of five hundred Mackenzies at the Battle of Bannockburn in 1314 where the English were defeated.
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