Deuteronomy 20:11-13

Young's Literal Translation

¹¹ and it hath been, if Peace it answer thee, and hath opened to thee, then it hath come to pass -- all the people who are found in it are to thee for tributaries, and have served thee.

¹² `And if it doth not make peace with thee, and hath made with thee war, then thou hast laid siege against it,

¹³ and Jehovah thy God hath given it into thy hand, and thou hast smitten every male of it by the mouth of the sword.