In 581 the Annals of the Four Masters records the death of "Aedh mac Suibhne, toiseach Maonmuighe"/"Aedh, son of Suibhne, chief of Maenmagh".
Tahun 581the Annals of the Four Masters mencatat kematian "Aedh mac Suibhne, toiseach Maonmuighe"/"Aedh, anak dari Suibhne, ketua Maenmagh".