Luke 16:18

Every one loosing his wife, and marrying another, commits adultery: and every one marrying her having been loosed from the husband commits adultery.

Matthew 19:9

And I say to you, That whoever should loose his wife, except for fornication, and marry another, commits adultery; and he having married the one loosed commits adultery.

Matthew 5:31-32

And it was said, That whosoever should loose his wife, let him give her a repudiation.

Mark 10:11-12

And he says to them, Whoever should loose his wife, and should marry another, commits adultery against her.

1 Corinthians 7:4

The wife of her own body has not power, but the husband: and likewise also the husband of his own body has not power, but the wife.

1 Corinthians 7:10-12

And to the married I announce, (not I, but the Lord,) The wife not to be separated from the husband:

Treasury of Scripture Knowledge

Summary

Whosoever putteth away his wife, and marrieth another, committeth adultery: and whosoever marrieth her that is put away from her husband committeth adultery.

Bible References

General references

Matthew 5:32
But I say to you, That whosoever shall let go his wife except for the reason of adultery, makes her to commit adultery; and whosoever should marry her having been loosed, commits adultery.
Matthew 19:9
And I say to you, That whoever should loose his wife, except for fornication, and marry another, commits adultery; and he having married the one loosed commits adultery.
Mark 10:11
And he says to them, Whoever should loose his wife, and should marry another, commits adultery against her.
1 Corinthians 7:4
The wife of her own body has not power, but the husband: and likewise also the husband of his own body has not power, but the wife.