Numbers 31:7

And this is the thing that ye shall do, Ye shall utterly destroy every male, and every woman that hath lain by man.

And David smote the land, and left neither man nor woman alive, and took away the sheep, and the oxen, and the asses, and the camels, and the apparel, and returned, and came to Achish.

Then all the Midianites and the Amalekites and the children of the east were gathered together, and went over, and pitched in the valley of Jezreel.