New Cumnock known as Castle William, for upon this sted Sir William Wallace held a ryall house, a crown property. On 10 February 1306, Robert the Bruce killed John Comyn at Greyfriars Kirk, Dumfries. By May of that year Bruce was crowned King of Scots at Scone but early setbacks against English forces saw him seek refuge in the Western Isles and then in Ireland. In the spring of 1307 Bruce and his followers returned to the Scottish mainland and ambushed an English force under the command of Sir Aymer de Vallence at Glen Trool, Galloway. Worse was to follow for the
Niall mac Cailein Dovenald Chambel and Sir Nel Chambel by their lands and bodies". In the same year, Edward granted some Campbell lands to an English knight, Sir John Dovedale. Such judgments were both a cause and effect of deteriorating relations with the English crown. So when Robert decided to rebel in 1306, it is not surprising that Niall and Domhnall were among the would-be king's first adherents. Niall was present at Scone in March 1306 when Robert was crowned King of Scots. After the defeats Robert suffered at the Battle of Methven and Battle of Dalrigh, Niall was one of the men