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 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