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 only be temporary. Although the Bruces were by now back in possession of Annandale and Carrick, in August 1296 Robert Bruce, Lord of Annandale, and his son, Robert Bruce, Earl of Carrick and future king, were among the more than 1,500 Scots at Berwick who swore an oath of fealty to King Edward I of England. When the Scottish revolt against Edward I broke out in July 1297, James Stewart, 5th High Steward of Scotland, led into rebellion a group of disaffected Scots, including Robert Wishart, Bishop of Glasgow, MacDuff, the son of the earl of Fife, and the young