1 Corinthians 7:39

A wife is bound as long as her husband lives; but if her husband is dead, she is free to be married to whom she wishes, only in the Lord.

Romans 7:2-3

For the married woman is bound by law to her husband while he is living; but if her husband dies, she is released from the law concerning the husband.

1 Corinthians 7:15

Yet if the unbelieving one leaves, let him leave; the brother or the sister is not under bondage in such cases, but God has called us to peace.

Genesis 6:2

that the sons of God saw that the daughters of men were beautiful; and they took wives for themselves, whomever they chose.

Deuteronomy 7:3-4

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.

Malachi 2:11

Judah has dealt treacherously, and an abomination has been committed in Israel and in Jerusalem; for Judah has profaned the sanctuary of the Lord which He loves and has married the daughter of a foreign god.

1 Corinthians 7:10

But to the married I give instructions, not I, but the Lord, that the wife should not leave her husband

2 Corinthians 6:14-16

Do not be bound together with unbelievers; for what partnership have righteousness and lawlessness, or what fellowship has light with darkness?

Treasury of Scripture Knowledge

Summary

The wife is bound by the law as long as her husband liveth; but if her husband be dead, she is at liberty to be married to whom she will; only in the Lord.

General references

Bible References

Wife

1 Corinthians 7:10
But to the married I give instructions, not I, but the Lord, that the wife should not leave her husband
Romans 7:2
For the married woman is bound by law to her husband while he is living; but if her husband dies, she is released from the law concerning the husband.

Only

Genesis 6:2
that the sons of God saw that the daughters of men were beautiful; and they took wives for themselves, whomever they chose.
Deuteronomy 7:3
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.
Malachi 2:11
Judah has dealt treacherously, and an abomination has been committed in Israel and in Jerusalem; for Judah has profaned the sanctuary of the Lord which He loves and has married the daughter of a foreign god.
2 Corinthians 6:14
Do not be bound together with unbelievers; for what partnership have righteousness and lawlessness, or what fellowship has light with darkness?

General references

Matthew 19:10
The disciples *said to Him, “If the relationship of the man with his wife is like this, it is better not to marry.”