So Joab and Abishai his brother slew Abner, because he had killed their brother Asahel at Gibeon in the battle.
King James Version (KJV) - 2 Samuel 3:30 >So Joab and Abishai his brother slew Abner, because he had slain their brother Asahel at Gibeon in the battle.
Berean Study Bible (BSB) - 2 Samuel 3:30 >(Joab and his brother Abishai murdered Abner because he had killed their brother Asahel in the battle at Gibeon.)