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
Richard Óg de Burgh, 2nd Earl of Ulster of King Robert the Bruce of Scotland. However, this did not stop him leading his forces from Ireland to support England's King Edward I in his Scottish campaigns and when the forces of Edward Bruce invaded Ulster in 1315, the Earl led a force against him, but was beaten at Connor in Antrim. The invasion of Bruce and the uprising of Felim Ó Conchúir in Connacht left him virtually without authority in his lands, but Ó Conchúir was killed in 1316 at the Second Battle of Athenry, and he was able to recover Ulster after the defeat of Bruce at