 "George de Dunbarre son of the Earl of March" had a Safe-conduct to pass through England with twenty horsemen to go "beyond the seas" and return, dated 19 March 1399.In August 1405 he was Lieutenant of the castle of Cockburnspath, Berwickshire, and was engaged in various public transactions during his father's lifetime.In 1390 he obtained from King Robert II a grant of his ward-relief and marriage for the Earldom of March and lordship of Annandale; and he acted as a Commissioner for liberating from English captivity Murdoch, son of the Regent Albany, on 7 December 1411, and in 1415.