1 Corinthians 7:13

13Andκαὶa womanγυνὴifεἴanyτιςhasἔχειa husbandἄνδραunbelievingἄπιστον,andκαὶheοὗτοςconsentsσυνευδοκεῖto dwellοἰκεῖνwithμετ’herαὐτῆς,notμὴlet her divorceἀφιέτωtheτὸνhusbandἄνδρα.

And if any woman has an unbelieving husband, and he consents to dwell with her, let her not send away the husband.