Rhet gre 1390b21-23ἔστι δὲ εὐγενὲς μὲν κατὰ τὴν (22) τοῦ γένους ἀρετήν, γενναῖον δὲ κατὰ τὸ μὴ ἐξίστασθαι τῆς (23) φύσεως·
Rhys Roberts 1924 engBeing well—born, which means coming of a fine stock, must be distinguished from nobility, which means being true to the family nature
http://www2.hf.uio.no/common/apps/permlink/permlink.php?app=polyglotta&context=record&uid=ceb02765-1d51-11e7-ba66-0050569f23b2