In Roman mythology, Libera is a goddess of fertility and the Earth. She is the daughter of Liber and Ceres. Libera is associated with Persephone of Greek mythology. The gods Liber and Libera play a major role in the science fiction]]/time-travel novel Household Gods by Harry Turtledove and Judith Tarr.
References
Michael Jordon, Encyclopedia of Gods, Kyle Cathie Limited, 2002
