Battle of Bannockburn for the night. Sir Alexander Seton, a Scottish noble serving in Edward's army, defected to the Scottish side and informed them of the English camp's position and low morale. Robert Bruce decided to launch a full-scale attack on the English forces and to use his schiltrons again as offensive units, a strategy his predecessor William Wallace had not done. The English army was defeated in a pitched battle which resulted in the death of several prominent commanders, including the Earl of Gloucester and Sir Robert Clifford, and capture of many others. The victory against the English at Bannockburn is the
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"