Marriage: The Jews: Forbidden to Contract with Idolaters
Source: TTT
Deuteronomy 7:3, 4
Do not intermarry with them. Do not give your daughters to their sons or take their daughters for your sons, / because they will turn your sons away from following Me to serve other gods. Then the anger of the LORD will burn against you, and He will swiftly destroy you.
Joshua 23:12
For if you turn away and cling to the rest of these nations that remain among you, and if you intermarry and associate with them,
Ezra 9:11, 12
that You gave through Your servants the prophets, saying: ‘The land that you are entering to possess is a land polluted by the impurity of its peoples and the abominations with which they have filled it from end to end. / 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.’