Nehemiah 13:23 in the King James Version
In those days also saw I Jews that had married wives of Ashdod, of Ammon, and of Moab:
Context
22 I commanded the Levites that they should purify themselves, and that they should come and keep the gates, to sanctify the Sabbath day. Remember me for this also, my God, and spare me according to the greatness of your loving kindness.
23 In those days I also saw the Jews who had married women of Ashdod, of Ammon, and of Moab;
24 and their children spoke half in the speech of Ashdod, and could not speak in the Jews’ language, but according to the language of each people.