The daughter of Ethal Anubal, prince of the Danaans of
Connaught, mentioned in ancient Irish myths. It was said that
she lived alternate years in the form of a maiden and a swan.
She was loved by Angus Og, who also found himself transformed
into a swan. All who heard the rapturous song of the
swan lovers were plunged into a deep sleep, lasting for three
days and nights