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
Simon Fraser (died 1306) London Bridge, along with Wallace's. Simon is known to have had the following issue: Simon Fraser (died 1306) Sir Simon Fraser of Oliver and Neidpath was a Scottish knight who fought in the Wars of Scottish Independence, for which he was hanged, drawn, and quartered in 1306. Simon Fraser was the son of Simon Fraser (died 1291) and Maria. Simon was captured during the Battle of Dunbar on 27 April 1296 and was sent to a prison in England. He was forfeited of his lands. He was released to serve King Edward I of England's expedition in Flanders in 1297.