So twelve men came forward from each side—twelve for Benjamin and Ishbosheth, and twelve for David.
Abner said to Joab, “Let's have some of the men fight in hand-to-hand combat before us.” “Fine,” Joab agreed.
Each man grabbed his opponent's head and drove his sword into his opponent's side so that they all fell down dead together. That's why this place in Gibeon is called the Field of Sword-edges.
However, Abner, son of Ner, commander of Saul's army, had taken Ishbosheth, son of Saul, to Mahanaim.