Ezra 9:2
2 For they have btaken some of their daughters to be wives for themselves and for their sons, so that the holy race1 has mixed itself with the peoples of the lands. And in this cfaithlessness the hand of the officials and chief men has been foremost.”
Nehemiah 13:23
23 In those days also I saw the Jews who had mmarried women of Ashdod, Ammon, and Moab.