Thine enemies, of other nations, but not of the Canaanites, for they might not spare their women, and much less marry them, Exodus 34:16 Deuteronomy 7:3.
Related Commentaries of Deuteronomy 21:10
Deuteronomy 21:10
10 When thou goest forth to war against thine enemies, and the LORD thy God hath delivered them into thine hands, and thou hast taken them captive,