He took advice from Joab, Zeruiah’s son, and from the priest Abiathar. They assisted Adonijah.
And he conferred with Joab the son of Zeruiah, and with Abiathar the priest: and they following Adonijah helped him.
He conferred with Joab son of Zeruiah [David's half sister] and with Abiathar the priest, and they followed Adonijah and helped him.
And he conferred with Joab, the son of Zeruiah, and with Abiathar, the priest, who gave assistance to the side of Adonijah.