Ebionites

Early Jewish-Christian heretical sect. Symmachus, the fourth translator of Hebrew Scripture into Greek, was first an Ebionite, then a Jew.

Preface and Praise of Sacred Scripture

• The Septuagint Translation and Greek Translators — Symmachus was first an Ebionite, then a Jew

  "Fourth, under the Emperor Severus, was Symmachus, first an Ebionite, then a Jew"