and them that were reckoned by genealogy of the priests by their fathers’ houses, and the Levites from twenty years old and upward, in their offices by their courses;

And the families of the priests were listed by their fathers' names, but the Levites, of twenty years old and over, were listed in relation to their work in their divisions;

η απαριθμησις δε των ιερεων και των Λευιτων εγεινε κατα τον οικον των πατριων αυτων, απο εικοσι ετων ηλικιας και επανω, κατα τα υπουργηματα αυτων, κατα τας διαιρεσεις αυτων·

Both to the genealogy of the priests by the house of their fathers, and the Levites from twenty years old and upward, in their charges by their courses;