< 2 Samuel 3:30 >
30 That is how Joab and his brother Abishai murdered Abner, because he had killed their brother Asahel in the battle at Gibeon.
So Joab and Abishai his brother slew Abner, because he had slain their brother Asahel at Gibeon in the battle.
This verse is mis-aligned or the Strongs references are unavailable.