entity_id,source_id,evidence_type,source_note
ENT_NEREIDS,SRC_HESIOD_THEOGONY,direct attestation,"Hesiod, Theogony 240-264: the fifty daughters of Nereus and Doris."
ENT_NEREIDS,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."
ENT_NEREIDS,SRC_THEOI_NYMPHS,index attestation,Literary attestation in classical/mythographic tradition; cult evidence varies by entity.