Verses for joab was

And it was told king Solomon that Joab was fled unto the tabernacle of the LORD; and, behold, he is by the altar. Then Solomon sent Benaiah the son of Jehoiada, saying, Go, fall upon him.

And when Joab was come out from David, he sent messengers after Abner, which brought him again from the well of Sirah: but David knew it not.

Now Joab was over all the host of Israel: and Benaiah the son of Jehoiada was over the Cherethites and over the Pelethites:

Asahel the brother of Joab was one of the thirty; Elhanan the son of Dodo of Bethlehem,