Clan Donnachaidh the Battle of Methven in 1306. The clan asserts that Stout Duncan's relatives and followers (not yet known as Robertsons) supported Robert the Bruce at the Battle of Bannockburn in 1314. His descendants became known (in English or Scots) as the Duncansons, or Gaelic "Clann Dhònnchaidh", "Children of Duncan". Duncan is believed to have been killed at the Battle of Neville's Cross and was succeeded by Robert, from who the Clan Robertson takes its name. Robert's brother, Patrick, was the ancestor of the Robertsons of Lude who were the principal cadet branch. In 1394 a clan battle took place between
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