2 Samuel 8:16-18

And Joab, the son of Zeruiah, was chief of the army; and Jehoshaphat, the son of Ahilud, was keeper of the records; And Zadok and Abiathar, the son of Ahimelech, the son of Ahitub, were priests; and Seraiah was the scribe; And Benaiah, the son of Jehoiada, was over the Cherethites and the Pelethites; and David's sons were priests.