Edward Bruce pact with the English governor of Stirling Castle, which led to the English sending a large army to relieve the castle. This led to the Battle of Bannockburn on 23–24 June 1314, where he commanded a Scottish schiltrom. Some time between 1309 and 1313, Edward was created Earl of Carrick, a title previously held by his maternal grandfather Niall of Carrick, his mother and his elder brother. It is unclear if he was ever married. He did have an illegitimate son, Alexander Bruce, who would later inherit his father's earldom. By the early 14th century, Ireland had not had a
Christina Bruce Moreover, there is no evidence of any familial relationship with Gartnait's son and successor, Donald II. Gartnait was instead likely married to an elder sister of Christina's. In 1335, during the Second War of Scottish Independence, Christina commanded the garrison of Kildrummy Castle and successfully held out against pro-Balliol forces led by David of Strathbogie, prior to their defeat by her husband, Sir Andrew Murray, at the Battle of Culblean. 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"