1 Kings 11:16
(For six months did Joab remain there with all Israel, until he had cut off every male in Edom:)
Torrey's Topical Textbook—AKJV

1 Chronicles 18:12
Moreover Abishai the son of Zeruiah slew of the Edomites in the valley of salt eighteen thousand.
Torrey's Topical Textbook—AKJV