Clan Sinclair to St Briavels Castle, and in 1296 he swore fealty to Edward I of England. In 1303 the Battle of Roslin took place where Scots under Henry Sinclair of Rosslyn and the Clan Comyn defeated an English force. The Battle of Loudoun Hill took place in 1307 where Scots under Robert the Bruce, assisted by Henry Sinclair of Rosslyn again defeated the English. The family initially favoured John Balliol's claim to the throne but later it became paramount that they gave their loyalty to Robert the Bruce. The Battle of Bannockburn was fought in 1314, where the Clan Sinclair fought
Robert the Bruce by the English Knight Sir Henry de Bohun. Riding with the heavy cavalry, de Bohun caught sight of Bruce, who was armed only with his battle-axe. De Bohun lowered his lance and charged, and Bruce stood his ground. At the last moment, Bruce swiftly dodged the lance, raised in his saddle, and with one mighty swing of his axe, struck Bohun so hard that he split his iron helmet, and his head in two, a blow so powerful that it shattered the very weapon into pieces. Afterwards the King merely expressed regret that he had broken the shaft of his