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 held and once more the crown was placed on the brow of Robert Bruce, Earl of Carrick, Lord of Annandale, King of the Scots. In June 1306 Bruce was defeated at the Battle of Methven. His wife and daughters and other women of the party were sent to Kildrummy in August 1306 under the protection of Bruce's brother, Neil Bruce, and the Earl of Atholl and most of his remaining men. Bruce fled with a small following of his most faithful men, including Sir James Douglas and Gilbert Hay, Bruce's brothers Thomas, Alexander, and Edward, as well as Sir Neil