30 (Joab and his brother Abishai murdered Abner because he had killed their brother Asahel in the battle at Gibeon.)

30 So Joab and Abishai his brother slew Abner, because he had slain their brother Asahel at Gibeon in the battle.

30 So Joab and his brother Abishai killed Abner because Abner had killed their brother Asahel at the battle of Gibeon.

30 So Joab and Abishai his brother killed Abner, because he had killed their brother Asahel at Gibeon in the battle.

30 (Joab and his brother Abishai killed Abner, because he had killed their brother Asahel in the battle at Gibeon.)

30 So Joab and Abishai his brother slew Abner, because he had killed their brother Asahel at Gibeon in the battle.

30 So Joab and Abishai his brother killed Abner, because he had slain their brother Asahel at Gibeon in the battle.

30 (Joab and his brother Abishai killed Abner because he had killed their brother Asahel in the battle at Gibeon.) 

30 Joab and his brother Abishai killed Abner because he had put their brother Asahel to death in the battle at Gibeon.

30 So Joab and his brother Abishai murdered Abner because he had killed their brother Asahel in the battle at Gibeon.

30 So Joab and Abishai, his brother, killed Abner because he had killed Asahel, their brother, at Gibeon in the battle.

30 Joab and his brother Abishai murdered Abner. They did it because he had killed their brother Asahel in the battle at Gibeon.

30 So Joab and Abishai his brother killed Abner because he had put their brother Asahel to death in the battle at Gibeon.