Clan Strachan Bruce forces likely burned-out a timber fortress in Strachan, now called Castlehill of Strachan during the early summer of 1308 (Yeoman). Comyn, and his loyal supporters which likely included Clan Strachan, were defeated at the Battle of Inverurie (1308). After the Battle of Bannockburn (1314), the Strachans were disinherited by Robert the Bruce and the lands of Strachan were granted to Sir Alexander Fraser, thane of Cowie (1316). Before 1325, Alexander Strachan, son and heir of John Strachan of that Ilk, and his wife Christina, daughter of Maule of Panmure, was granted by Maule all his land of Carmyllie, his
Robert the Bruce planned a major military campaign with the support of Lancaster and the barons, mustering a large army of between 15,000 and 20,000 men. In the spring of 1314, Edward Bruce laid siege to Stirling Castle, a key fortification in Scotland whose governor, Philip de Mowbray, agreed to capitulate if not relieved before 24 June 1314. In March, James Douglas captured Roxburgh, and Randolph captured Edinburgh Castle, while in May, Bruce again raided England and subdued the Isle of Man. News of the agreement regarding Stirling Castle reached the English king in late May, and he decided to speed his march