"wives of the lower-world." Welsh water spirits, inhabiting lakes and streams. These lovely creatures often marry mortals and live happily. According to some, they are the descendants of those who reviled Saint Patrick and were condemned to sink below the waters.
- Bonnerjea, Biren. (1920). A Dictionary of Superstitions and Mythology. Thomson Gale.
- MacKillop, James. (2004). Dictionary of Celtic Mythology. New York: Oxford University Press, Inc.