Romans 7:3
So if she marries another man while her husband is living, she is called an adulteress, but if he dies, she is free from that marriage bond, so that she will not be an adulteress though later married to another man.
Matthew 5:32
But I tell you that whoever divorces his wife for any other ground than unfaithfulness, causes her to commit adultery, and whoever marries a wife who is thus divorced commits adultery.
Mark 10:6-12
But from the beginning of the creation, 'God made them male and female.
John 8:3-5
And the scribes and Pharisees brought a woman they had caught in adultery. And standing her in the middle,
1 Timothy 5:11-14
Keep the young widows off this roll, for when they get to indulging their lower nature in opposition to Christ, they want to marry,