1 Corinthians 7:2

But, owing to the prevalence of immorality, I advise every man to have his own wife, and every woman her husband.

Hebrews 12:16

Take care that no one becomes immoral, or irreligious like Esau, who sold his birthright for a single meal.

Treasury of Scripture Knowledge

Summary

And Esau was forty years old when he took to wife Judith the daughter of Beeri the Hittite, and Bashemath the daughter of Elon the Hittite:

Bible References

The daughter

1 Corinthians 7:2
But, owing to the prevalence of immorality, I advise every man to have his own wife, and every woman her husband.
Hebrews 12:16
Take care that no one becomes immoral, or irreligious like Esau, who sold his birthright for a single meal.