Leviticus 18:18
Neither shalt thou take a wife to her sister, to vex her, to uncover her nakedness besides the other in her life-time.
Genesis 4:19
And Lamech took to 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, for a wife also.
Genesis 30:15
And she said to her, Is it a small matter that thou hast taken 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
The five curtains shall be coupled together one to another; and other five curtains shall be coupled one to another.
1 Samuel 1:6-8
And her adversary also provoked her greatly, to make her fret, because the LORD had made her barren.
Malachi 2:15
And did he not make one? Yet had he the residue of the spirit. And why one? That he might seek a godly seed. Therefore take heed to your spirit, and let none deal treacherously against the wife of his youth.