1 Kings 11:15, 16
1 Kings 11:15 NIV
Earlier 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.
1 Kings 11:16 NIV
Joab and all the Israelites stayed there for six months, until they had destroyed all the men in Edom.