And they warred against the Midianites, as the LORD commanded Moses; and they slew all the males.
Numbers 31:8
And they slew the kings of Midian, beside the rest of them that were slain; namely, Evi, and Rekem, and Zur, and Hur, and Reba, five kings of Midian: Balaam also the son of Beor they slew with the sword.