Exodus 34:16

“Furthermore, you shall not intermarry with them; you shall not give your daughters to their sons, nor shall you take their daughters for your sons.

so that they may not teach you to do according to all their abominations which they have done for their gods, so that you would sin against Yahweh your God.

“For if you ever turn back and cling to the rest of these nations, these which remain among you, and intermarry with them, so that you go along with them and they with you,

and they took their daughters for themselves as wives and gave their own daughters to their sons and served their gods.

But his father and his mother said to him, “Is there no woman among the daughters of your relatives, or among all our people, that you go to take a wife from the uncircumcised Philistines?” But Samson said to his father, “Take her for me, for she is right in my eyes.”

from the nations concerning which Yahweh had said to the sons of Israel, “You shall not go along with them, nor shall they go along with you, for they will surely turn your heart away after their gods.” Solomon clung to these in love.

‘So now do not give your daughters to their sons nor take their daughters to your sons, and never seek their peace or their prosperity, that you may be strong and eat the good things of the land and leave it as a possession to your sons forever.’

and that we will not give our daughters to the peoples of the land or take their daughters for our sons.

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

but that we write to them that they abstain from things contaminated by idols and from sexual immorality and from what is strangled and from blood.