Deuteronomy 17:17
Neither shall he multiply wives to himself, that his heart turn not away: neither shall he greatly multiply to himself silver and gold.
Nave's Topical Index—AKJV

Leviticus 18:18
Neither shall you take a wife to her sister, to vex her, to uncover her nakedness, beside the other in her life time.
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Malachi 2:14,15
Yet you say, Why? Because the LORD has been witness between you and the wife of your youth, against whom you have dealt treacherously: yet is she your companion, and the wife of your covenant.
Nave's Topical Index—AKJV

Matthew 19:4,5
And he answered and said to them, Have you not read, that he which made them at the beginning made them male and female,
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Mark 10:2-8
And the Pharisees came to him, and asked him, Is it lawful for a man to put away his wife? tempting him.
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1 Timothy 3:2,12
A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behavior, given to hospitality, apt to teach;
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Titus 1:6
If any be blameless, the husband of one wife, having faithful children not accused of riot or unruly.
Nave's Topical Index—AKJV