NET

32 May the Lord punish him for the blood he shed; 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—Abner son of Ner, commander of Israel’s army, and Amasa son of Jether, commander of Judah’s army.

Darby

32 And Jehovah shall requite the blood which he shed upon his own head, because he fell upon two men more righteous and better than he, and slew them with the sword, without my father David's knowledge: Abner the son of Ner, captain of the host of Israel, and Amasa the son of Jether, captain of the host of Judah.

KJV

32 And the LORD shall return his blood upon his own head, who fell upon two men more righteous and better than he, and slew them with the sword, my father David not knowing [thereof, to wit], Abner the son of Ner, captain of the host of Israel, and Amasa the son of Jether, captain of the host of Judah.