Leviticus 18:18

New International Version

“ ‘Do not take your wife’s sister as a rival wife and have sexual relations with her while your wife is living.

Cross References

Genesis 29:28

And Jacob did so. He finished the week with Leah, and then Laban gave him his daughter Rachel to be his wife.

Genesis 30:15

But she said to her, “Wasn’t it enough that you took away my husband? Will you take my son’s mandrakes too?” “Very well,” Rachel said, “he can sleep with you tonight in return for your son’s mandrakes.”

Genesis 4:19

Lamech married two women, one named Adah and the other Zillah.

Exodus 26:3

Join five of the curtains together, and do the same with the other five.

Leviticus 18:17

“ ‘Do not have sexual relations with both a woman and her daughter. Do not have sexual relations with either her son’s daughter or her daughter’s daughter; they are her close relatives. That is wickedness.

Leviticus 18:19

“ ‘Do not approach a woman to have sexual relations during the uncleanness of her monthly period.

Malachi 2:15

Has not the one God made you? You belong to him in body and spirit. And what does the one God seek? Godly offspring. So be on your guard, and do not be unfaithful to the wife of your youth.