New American Standard Bible (©1995)
"The LORD will return his blood on his own head, because he fell upon two men more righteous and better than he and killed them with the sword, while my father David did not know it: Abner the son of Ner, commander of the army of Israel, and Amasa the son of Jether, commander of the army of Judah.

GOD'S WORD® Translation (©1995)
The LORD will repay him for the slaughter he caused. Joab killed two honorable men who were better than he was. He used his sword to kill Abner (who was the son of Ner and the commander of Israel's army) and Amasa (who was the son of Jether and the commander of Judah's army). Joab did this without my father's knowledge.

King James Bible
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.

American King James Version
And the LORD shall return his blood on his own head, who fell on 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.

American Standard Version
And Jehovah will return his blood upon his own head, because he fell upon two men more righteous and better than he, and slew them with the sword, and my father David knew it not, 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.

Bible in Basic English
And the Lord will send back his blood on his head, because of the attack he made on two men more upright and better than himself, putting them to the sword without my father's knowledge; even Abner, the son of Ner, captain of the army of Israel, and Amasa, the son of Jether, captain of the army of Judah.

Douay-Rheims Bible
And the Lord shall return his blood upon his own head, because he murdered two men, just and better than himself: and slew them with the sword, my father David not knowing it, Abner the son of Ner, general of the army of Israel, and Amasa the son of Jether, general of the army of Juda.

Darby Bible Translation
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.

English Revised Version
And the LORD shall return his blood upon his own head, because he fell upon two men more righteous and better than he, and slew them with the sword, and my father David knew it not, 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.

Webster's Bible Translation
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 of it, 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.

World English Bible
Yahweh will return his blood on his own head, because he fell on two men more righteous and better than he, and killed them with the sword, and my father David didn't know it: Abner the son of Ner, captain of the army of Israel, and Amasa the son of Jether, captain of the army of Judah.

Young's Literal Translation
and Jehovah hath turned back his blood on his own head, who hath fallen on two men more righteous and better than he, and slayeth them with the sword, -- and my father David knew not -- Abner son of Ner, head of the host of Israel, and Amasa son of Jether, head of the host of Judah;