entity_id,period_id,confidence,rationale,source_id,review_status
ENT_MON_GRAEAE,PER_GRK_ARCHAIC,high,"Grey-haired sisters (Deino, Enyo, Pemphredo) sharing one eye and one tooth, daughters of Phorcys and Ceto; coerced by Perseus. Attested Hesiod, Theogony 270-273; Apollodorus 2.4.2. Collective entity.",SRC_HESIOD_THEOGONY,reviewed