When Joab and all his troops arrived, he was informed, "Abner son of Ner came to see the king, who sent him on his way in peace."

1 Samuel 14:50
His wife's name was Ahinoam daughter of Ahimaaz. The name of the commander of his army was Abner, the son of Saul's uncle Ner.

2 Samuel 3:22
Just then David's soldiers and Joab returned from a raid, bringing with them a great plunder. But Abner was not with David in Hebron because David had sent him on his way in peace.

2 Samuel 3:24
So Joab went to the king and said, "What have you done? Look, Abner came to you. Why did you dismiss him? Now he is getting away!

When Joab and all the host that was with him were come, they told Joab, saying, Abner the son of Ner came to the king, and he has sent him away, and he is gone in peace.