1 Kings 11:15

15Earlier when David was fighting with Edom, Joab the commander of the army, who had gone up to bury the dead, had struck down all the men in Edom.

15For it came about, when David was in Edom and Joab the commander of the army had gone up to bury those killed in battle, and had struck and killed every male in Edom

15For it came about, when David was in Edom, and Joab the commander of the army had gone up to bury the slain, and had struck down every male in Edom

15For it came about, when David was in Edom, and Joab the commander of the army had gone up to bury those killed [in battle] and had struck down every male in Edom

15Earlier, when David was in Edom, Joab the commander of the army had gone to bury the dead and had struck down every male in Edom.

15David had fought against Edom. Joab had been the commander of the army. He had gone up to bury the dead bodies of the Israelites who had been killed in battle. At that time he had struck down all the men in Edom.