1 Corinthians 7:13

New International Version

And if a woman has a husband who is not a believer and he is willing to live with her, she must not divorce him.

Cross References

Mark 10:12

And if she divorces her husband and marries another man, she commits adultery.”

1 Corinthians 7:12

To the rest I say this (I, not the Lord): If any brother has a wife who is not a believer and she is willing to live with him, he must not divorce her.

1 Corinthians 7:14

For the unbelieving husband has been sanctified through his wife, and the unbelieving wife has been sanctified through her believing husband. Otherwise your children would be unclean, but as it is, they are holy.