1 Corinthians 7:39

A wife, is bound for as long a time as her husband is living; but, if the husband have fallen asleep, she is, free, to be married unto whom she pleaseth, - only, in the Lord;

Romans 7:2-3

For, the married woman, unto her living husband is bound by law; but, if her husband have died, she hath received a full release from the law of her husband.

1 Corinthians 7:15

But, if, the unbelieving, departeth, let him depart: the brother or the sister hath not come into bondage, in such cases, but, in peace, hath God called us.

Genesis 6:2

that the sons of God saw the daughters of men! that they were, fair, - so they took to themselves wives of whomsoever they chose,

Deuteronomy 7:3-4

neither shalt thou intermarry with them, - thy daughter, shalt thou not give unto his son, nor his daughter, shalt thou take for thy son;

Malachi 2:11

Judah, hath dealt treacherously, and, an abomination, hath been wrought in Israel, and in Jerusalem, - for Judah, had profaned, the holy place of Yahweh, which he had loved, and hath taken to himself the daughter of a foreign GOD.

1 Corinthians 7:10

To the married, however, I give charge - not, I, but the Lord, - that, a wife, from her husband, do not depart, -

2 Corinthians 6:14-16

Be not getting diversely yoked with unbelievers; for what partnership have righteousness and lawlessness? Or what fellowship hath 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
To the married, however, I give charge - not, I, but the Lord, - that, a wife, from her husband, do not depart, -
Romans 7:2
For, the married woman, unto her living husband is bound by law; but, if her husband have died, she hath received a full release from the law of her husband.

Only

Genesis 6:2
that the sons of God saw the daughters of men! that they were, fair, - so they took to themselves wives of whomsoever they chose,
Deuteronomy 7:3
neither shalt thou intermarry with them, - thy daughter, shalt thou not give unto his son, nor his daughter, shalt thou take for thy son;
Malachi 2:11
Judah, hath dealt treacherously, and, an abomination, hath been wrought in Israel, and in Jerusalem, - for Judah, had profaned, the holy place of Yahweh, which he had loved, and hath taken to himself the daughter of a foreign GOD.
2 Corinthians 6:14
Be not getting diversely yoked with unbelievers; for what partnership have righteousness and lawlessness? Or what fellowship hath light with darkness?

General references

Matthew 19:10
The disciples say unto him - If, so, is the cause of the husband with the wife, it is not expedient to marry.