Claim: Aristocreon is a philosopher and the nephew and student of Chrysippus and became the Proxenos during his stay in Athens from 229 to 190 BC.
Evidence: Aristocreon (Greek: Ἀριστοκρέων; fl. 200 BC) was a Stoic philosopher and the nephew of Chrysippus. Aristocreon was a son of the sister of Chrysippus, and became his pupil. Of the few facts known about Aristocreon's life, it is known that between 229 and 190 BC, he was in Athens, where he obtained the official position of a Proxenos (a consular agent acting for another city).