Luke 16:18
"Whosoever putteth away his wife, and marrieth another, committeth adultery: and whosoever marrieth her that is put away from her husband committeth adultery."
Cross References (ranked by relevance)
Matthew 19:9
12
And I say unto you, Whosoever shall put away his wife, except it be for fornication, and shall marry another, committeth adultery: and whoso marrieth her which is put away doth commit adultery.
1 Corinthians 7:4
The wife hath not power of her own body, but the husband: and likewise also the husband hath not power of his own body, but the wife.