Adam's fidelity to King Robert was continued to his son and successor, David II; and he was killed on 12 July 1333, fighting in the van of the Scottish army at the Battle of Halidon Hill. By Abercrombie he is numbered among the most trusted friends of Bruce, ‘all great personages and the glorious ancestors of many in all respects as great as themselves.’ From Gordon descended nearly all the eminent men of that name in Scotland.