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 the River Tay. The following year, the clergy of Scotland recognised Bruce as king at a general council. The support given him by the church, in spite of his excommunication, was of great political importance. On 1 October 1310 Bruce wrote Edward II of England from Kildrum in Cumbernauld Parish in an unsuccessful attempt to establish peace between Scotland and England. Over the next three years, one English-held castle or outpost after another was captured and reduced: Linlithgow in 1310, Dumbarton in 1311, and Perth, by Bruce himself, in January 1312. Bruce also made raids into northern England and, landing