relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 1974,ENT_METIS,spouse_of,ENT_ZEUS,high,Hesiod Theogony 886-890: Metis was the first wife of Zeus; Zeus swallowed her when pregnant with Athena to prevent the birth of a son mightier than him.,SRC_HESIOD_THEOGONY,approved,