Caer
The daughter of Ethal Anubal, Prince of the Danaans of Connaught, and mentioned in Irish myths. It was said that she lived year about in the form of a maiden and of a swan. She was beloved by Angus Og, who also found himself transformed into a swan; and all who heard the rapturous song of the swan-lovers were plunged into a deep sleep, lasting for three days and nights.