Tibbers Castle led to a succession crisis resulting in English rule of Scotland under Edward I. Robert the Bruce's family was one of the claimants and in 1306 he was crowned king, leading to war with England. The first phase of Bruce's campaign in 1306 was to capture the English-held castles of Ayr, Dalswinton, Inverkip and Tibbers. Control was given to John de Seton until the English recaptured the castle from the Scots, hanging the defenders, and a larger garrison, this time numbering 54, was installed. In 1313 the Scots regained control of the region. From there Tibbers Castle remained in Scottish
Robert the Bruce this Bruce was then excommunicated by the Pope (although he received absolution from Robert Wishart, Bishop of Glasgow). Bruce moved quickly to seize the throne and was crowned king of Scots on 25 March 1306. Edward I's forces defeated Robert in battle, forcing him to flee into hiding before re-emerging in 1307 to defeat an English army at Loudoun Hill and wage a highly successful guerrilla war against the English. Bruce defeated his other Scots enemies, destroying their strongholds and devastating their lands, and in 1309 held his first parliament. A series of military victories between 1310 and 1314 won