Leviticus 18:18
And thou shalt not take a wife to her sister, to be a rival to her , to uncover her nakedness, besides the other in her life-time.
Genesis 4:19
And Lamech took unto him two wives: the name of the one was Adah, and the name of the other Zillah.
Genesis 29:28
And jacob did so, and fulfilled her week. And he gave him Rachel his daughter to wife.
Genesis 30:15
And she said unto her, Is it a small matter that thou hast taken away my husband? and wouldest thou take away my son's mandrakes also? And Rachel said, Therefore he shall lie with thee to-night for thy son's mandrakes.
Exodus 26:3
Five curtains shall be coupled together one to another; and the other five curtains shall be coupled one to another.
1 Samuel 1:6-8
And her rival provoked her sore, to make her fret, because Jehovah had shut up her womb.
Malachi 2:15
And did he not make one, although he had the residue of the Spirit? And wherefore one? He sought a godly seed. Therefore take heed to your spirit, and let none deal treacherously against the wife of his youth.