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
Battle of Turnberry the castle. Henry de Percy was forced to leave the castle after this defeat. Battle of Turnberry The Battle of Turnberry was a battle fought in February 1307 during the Scottish Wars of Independence near Turnberry, Ayrshire, Scotland. King Robert I of Scotland's invasion of his ancestral lands in Annandale and Carrick began in 1307. The Carrick invasion force was led by Robert, his brother Edward de Brus, James Douglas, Lord of Douglas and Robert Boyd. The force comprised thirty three galleys. They sailed to Turnberry and landed near Turnberry Castle. The invasion force quickly overwhelmed the English forces of