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
Christina Bruce Christina Bruce Christina Bruce (c. 1278 – 1356/1357), also known as Christina de Brus, was a daughter of Marjorie, Countess of Carrick, and her husband, Robert de Brus, "jure uxoris" Earl of Carrick, as well as a sister of Robert the Bruce, King of Scots. It is presumed that she and her siblings were born at Turnberry Castle in Carrick. After his army's defeat at the Battle of Methven on 19 June 1306, Robert Bruce headed west to the mountains. He sent his second wife, Elizabeth, his daughter Marjorie, his sisters Christina and Mary Bruce, as well as Isabella MacDuff,