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 by the English Knight Sir Henry de Bohun. Riding with the heavy cavalry, de Bohun caught sight of Bruce, who was armed only with his battle-axe. De Bohun lowered his lance and charged, and Bruce stood his ground. At the last moment, Bruce swiftly dodged the lance, raised in his saddle, and with one mighty swing of his axe, struck Bohun so hard that he split his iron helmet, and his head in two, a blow so powerful that it shattered the very weapon into pieces. Afterwards the King merely expressed regret that he had broken the shaft of his