2 Samuel 8:16-18

16Joab son of Zeruiah was over the army; Jehoshaphat son of Ahilud was recorder; 17Zadok son of Ahitub and Ahimelek son of Abiathar were priests; Seraiah was secretary; 18Benaiah son of Jehoiada was over the Kerethites and Pelethites; and David’s sons were priests. Or were chief officials (see Septuagint and Targum; see also 1 Chron. 18:17)