Theometor

Theometor (Θεομήτωρ), meaning "mother of a god", is an epithet who was used for different characters in history.

Ancient Greece and Rome

 * Hera at Samos had this epithet
 * Agrippina the Younger had this epithet on coins as she was the mother of Nero

Christianity
In Christian literature is used for Mary, mother of Jesus, especially in the Eastern Christianity.