Heyd was the Norwegian sea-witch or storm-fiend in the shape of a white bear alluded to in the saga of Grettir. With the other storm-fiend Ham, she was sent by Helgi to engulf Frithjof as he sailed for the island of Yari Angantyr. A.G.H.


Spence, Lewis, An Encyclopedia of Occultism, New York, Carol Publishing Group Edition, 1996, p. 209