1 Corinthians 7:39
A wife is bound for as long a time [as] her husband lives. But if her husband {dies}, she is free to marry whomever she wishes, only in the Lord.
Romans 7:2-3
For the married woman is bound by law to [her] husband while he lives, but if her husband dies, she is released from the law of the husband.
1 Corinthians 7:15
But if the unbeliever leaves, let him leave. The brother or the sister is not bound in such [cases]. But God has called us in peace.
Genesis 6:2
Then the sons of God saw the daughters of humankind, that they [were] beautiful. And they took for themselves wives from all that they chose.
Deuteronomy 7:3-4
And you shall not intermarry with them; you shall not give your daughter to their son; and you shall not take his daughter for your son.
Malachi 2:11
Judah has been faithless, and a detestable thing has been done in Israel and in Jerusalem. Judah has profaned the sanctuary of Yahweh which he loves, and has married the daughter of a foreign god.
1 Corinthians 7:10
To the married I command--not I, but the Lord--a wife must not separate from [her] husband.
2 Corinthians 6:14-16
Do not become unevenly yoked with unbelievers, for what participation [is there between] righteousness and lawlessness? Or what fellowship [does] light [have] with darkness?