relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 2234,ENT_HELEIONOMAI,member_of,ENT_NAIADS,medium,Heleionomai (marsh nymphs) are a subgroup of the Naiads who inhabit swamps and marshy areas.,SRC_THEOI_NYMPHS,approved,