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 Bruce lands in Scotland should an uprising occur led by Bruce. Whether the details of the agreement with Comyn are correct or not, King Edward moved to arrest Bruce while Bruce was still at the English court. Ralph de Monthermer learned of Edward's intention and warned Bruce by sending him twelve pence and a pair of spurs. Bruce took the hint, and he and a squire fled the English court during the night. They made their way quickly for Scotland. According to Barbour, Comyn betrayed his agreement with Bruce to King Edward I, and when Bruce arranged a meeting for