 However, that number may have been an exaggeration in order for the earl to justify his inaction against King Robert.However, King Robert was overtaken by an unknown illness, which kept him out of action for a considerable time, and he had with him no more than about 700 men by the time of the Battle of Inverurie.Unfortunately the only accounts of the whole campaign in Aberdeenshire are from sources uniformly hostile to Buchan.