Then he conferred with Joab the son of Zeruiah and with Abiathar the priest, and they followed and helped Adonijah.
1 Kings 1:7
Surrounding context
1:6 (And his father had not rebuked him at any time by saying, "Why have you done so?" He was also very good-looking. His mother had borne him after Absalom.)
1:7 Then he conferred with Joab the son of Zeruiah and with Abiathar the priest, and they followed and helped Adonijah.
1:8 But Zadok the priest, Benaiah the son of Jehoiada, Nathan the prophet, Shimei, Rei, and the mighty men who belonged to David were not with Adonijah.