It was an understandable move ; for he came Arriving ashore in his own earldom of Carrick , where he could expect to command Control a large degree of local support Supporting .

Robert Stewart , Duke of Albany , Regent of Scotland , had taken Getting control Control of the earldom as guardian of his niece Euphemia Leslie .

Donald invaded Attack Ross with the intention Aiming of seizing Conquering the earldom by force .

However Mariota was later awarded Award the earldom of Ross in 1424 and the Lordship of the Isles would keep the title for much of the 15th century .