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 Robert Bruce. The future king was now twenty-two, and in joining the rebels he seems to have been acting independently of his father, who took no part in the rebellion and appears to have abandoned Annandale once more for the safety of Carlisle. It appears that Robert Bruce had fallen under the influence of his grandfather's friends, Wishart and Stewart, who had inspired him to resistance. With the outbreak of the revolt, Robert left Carlisle and made his way to Annandale, where he called together the knights of his ancestral lands and, according to the English chronicler Walter of Guisborough,