sentences:  Whatever the case, a certain daughter of Aonghus Óg was Máire, a woman who married William III, Earl of Ross.Aonghus Óg appears to have also had another son named Eóin, a man from whom descended the Glencoe branch of Clann Domhnaill.Although the parentage of Alasdair of the Isles is uncertain, one possibility is that he was another son of Aonghus Óg.