While Jehu was dishing out punishment to Ahab’s family, he discovered the officials of Judah and the sons of Ahaziah’s relatives who were serving Ahaziah and killed them.
“You know what Joab son of Zeruiah did to me – how he murdered two commanders of the Israelite armies, Abner son of Ner and Amasa son of Jether. 1 During peacetime he struck them down like he would in battle; 2 when he shed their blood as if in battle, he stained his own belt and the sandals on his feet. 3
May the Lord punish him for the blood he shed; 1 behind my father David’s back he struck down and murdered with the sword two men who were more innocent and morally upright than he 2 – Abner son of Ner, commander of Israel’s army, and Amasa son of Jether, commander of Judah’s army.