relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 7880,ENT_MON_GRAEAE,aligned_with,ENT_MON_SIRENS,low,"Structural grouping within the wider chthonic Phorcys/Ceto and sea-monster cohort of early Greek myth (Gantz, Early Greek Myth); cohort linkage, NOT attested kinship (changed from sibling_of, which would falsely assert shared parentage).",SRC_HESIOD_THEOGONY,reviewed,