'Asah el' in the Bible

The three sons of Zeruiah were there -- Joab, Abishai, and Asahel. (Now Asahel was as quick on his feet as one of the gazelles in the field.)

Asahel chased Abner, without turning to the right or to the left as he followed Abner.

Then Abner turned and asked, "Is that you, Asahel?" He replied, "Yes it is!"

Abner said to him, "Turn aside to your right or to your left. Capture one of the soldiers and take his equipment for yourself!" But Asahel was not willing to turn aside from following him.

So Abner spoke again to Asahel, "Turn aside from following me! I do not want to strike you to the ground. How then could I show my face in the presence of Joab your brother?"

But Asahel refused to turn aside. So Abner struck him in the abdomen with the back end of his spear. The spear came out his back; Asahel collapsed on the spot and died there right before Abner. Everyone who now comes to the place where Asahel fell dead pauses in respect.

Now Joab returned from chasing Abner and assembled all the people. Nineteen of David's soldiers were missing, in addition to Asahel.

They took Asahel's body and buried him in his father's tomb at Bethlehem. Joab and his men then traveled all that night and reached Hebron by dawn.

When Abner returned to Hebron, Joab took him aside at the gate as if to speak privately with him. Joab then stabbed him in the abdomen and killed him, avenging the shed blood of his brother Asahel.

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

Included with the thirty were the following: Asahel the brother of Joab, Elhanan son of Dodo from Bethlehem,