Ammonites: Jews Intermarry With

Now, therefore, do not give your daughters in marriage to their sons or take their daughters for your sons. Never seek their peace or prosperity, so that you may be strong and may eat the good things of the land, leaving it as an inheritance to your sons forever.’

Then Ezra the priest stood up and said to them, “You have been unfaithful by marrying foreign women, adding to the guilt of Israel. …

In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab.