A.T. Robertson Commentary Galatians 3:14

"that upon the Gentiles might come the blessing of Abraham in Christ Jesus; that we might receive the promise of the Spirit through faith." — Galatians 3:14 (ASV)

That upon the Gentiles (ινα εις τα εθνη). Final clause (ινα and γενητα, aorist middle subjunctive).

That we might receive (ινα λαβωμεν). Second final clause coordinate with the first as in 2 Corinthians 9:3. So in Christ we all (Gentile and Jew) obtain the promise of blessing made to Abraham, through faith.