relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 2025,ENT_PONTUS,parent_of,ENT_CETO,high,"Hesiod Theogony 237-238: Pontos and Gaia begat Nereus, Thaumas, Phorkys, Keto (Ceto), and Eurybia.",SRC_HESIOD_THEOGONY,approved, 2026,ENT_GAIA,parent_of,ENT_CETO,high,Hesiod Theogony 237-238.,SRC_HESIOD_THEOGONY,approved, 2027,ENT_PHORCYS,paired_with,ENT_CETO,high,"Hesiod Theogony 270-336: Phorkys and Keto are siblings who unite to produce the Phorcides (Graiai, Gorgons, etc.) — described as monstrous in appearance.",SRC_HESIOD_THEOGONY,approved,