2 Samuel 8:15-18
8:15 David reigned over all Israel; he guaranteed justice for all his people.
David’s Cabinet
8:16 Joab son of Zeruiah was general in command of the army; Jehoshaphat son of Ahilud was secretary;
8:17 Zadok son of Ahitub and Ahimelech son of Abiathar were priests; Seraiah was scribe;
8:18 Benaiah son of Jehoida supervised the Kerithites and Pelethites; and David’s sons were priests.