Mark 10:12

And if a woman shall put away her husband and marries to another, she commits adultery.

1 Corinthians 7:11

But if she is indeed separated, let her remain unmarried, or be reconciled to her husband. And a husband is not to leave his wife.

1 Corinthians 7:13

And the woman who has a husband who does not believe, if he is pleased to dwell with her, do not let her leave him.

Treasury of Scripture Knowledge

Summary

And if a woman shall put away her husband, and be married to another, she committeth adultery.

Bible References

General references

Exodus 20:14
You shall not commit adultery.
Luke 16:18
Everyone putting away his wife and marrying another commits adultery; and everyone marrying her who is put away from her husband commits adultery.
1 Corinthians 7:4
The wife does not have authority over her own body, but the husband. And likewise also the husband does not have authority over his own body, but the wife.