Robert Munro, 6th Baron of Foulis well have had Munros with him when he was captured at the Battle of Dunbar (1296). It was the Earl's son "Sir Walter the Ros" who fought at the Battle of Bannockburn in 1314 where the Scottish army defeated the English and Robert Munro is said to have fought there with him. General Stewart later included the Munros in the list of Highland clans who fought at Bannockburn. Robert Munro is said to have survived the battle but according to tradition his son George was killed and Robert was therefore later succeeded by his grandson, also called George. Robert's second
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"