Edomites: David Makes Conquest of
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1 Kings 11:14–16
Then the LORD raised up against Solomon an adversary, Hadad the Edomite, from the royal line of Edom. / Earlier, 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. / Joab and all Israel had stayed there six months, until he had killed every male in Edom.
1 Chronicles 18:11–13
and King David dedicated these to the LORD, along with the silver and gold he had carried off from all these nations—from Edom and Moab, and from the Ammonites, Philistines, and Amalekites. / Moreover, Abishai son of Zeruiah struck down eighteen thousand Edomites in the Valley of Salt. / He placed garrisons in Edom, and all the Edomites were subject to David. So the LORD made David victorious wherever he went.