Their sisters were Zeruiah and Abigail. Zeruiah’s three sons were Abshai, Joab, and Asahel.

He put his brother Abishai in charge of the rest of the army and they were deployed against the Ammonites.

When the Ammonites saw the Arameans flee, they fled before Joab’s brother Abishai and withdrew into the city. Joab went back to Jerusalem.