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
Battle of Turnberry the castle. Henry de Percy was forced to leave the castle after this defeat. Battle of Turnberry The Battle of Turnberry was a battle fought in February 1307 during the Scottish Wars of Independence near Turnberry, Ayrshire, Scotland. King Robert I of Scotland's invasion of his ancestral lands in Annandale and Carrick began in 1307. The Carrick invasion force was led by Robert, his brother Edward de Brus, James Douglas, Lord of Douglas and Robert Boyd. The force comprised thirty three galleys. They sailed to Turnberry and landed near Turnberry Castle. The invasion force quickly overwhelmed the English forces of