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 19th century. In 1974 the Bruce Memorial Window was installed in the north transept, commemorating the 700th anniversary of the year of his birth. It depicts stained glass images of the Bruce flanked by his chief men, Christ, and saints associated with Scotland. A 1929 statue of Robert the Bruce is set in the wall of Edinburgh Castle at the entrance, along with one of William Wallace. In Edinburgh also, the Scottish National Portrait Gallery has statues of Bruce and Wallace in niches flanking the main entrance. The building also contains several frescos depicting scenes from Scots history by