entity_id,source_id,evidence_type,source_note
ENT_POLYDEUCES,SRC_APOLLODORUS_LIBRARY,scholarly attestation,Library 3.11.1-2; Dioscuri; Polydeuces as boxer; shares immortality with mortal Castor
ENT_POLYDEUCES,SRC_HOMER_ILIAD_ODYSSEY,direct attestation,Polydeuces (Pollux) named alongside Castor in Iliad III.236-244 and Odyssey XI.300-304; the Dioscuri myth of alternating immortality is first attested in the Odyssey
ENT_POLYDEUCES,SRC_THEOI_DEIFIED,index attestation,Literary attestation in classical/mythographic tradition; cult evidence varies by entity.
ENT_POLYDEUCES,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."