Genesis 31:50

If you mistreat my daughters, or if you take wives besides my daughters, although no man is with us, see, God is witness between you and me.”

Jeremiah 42:5

Then they said to Jeremiah, “May the Lord be a true and faithful witness against us if we do not act in accordance with the whole message with which the Lord your God will send you to us.

Jeremiah 29:23

because they have acted foolishly in Israel, and have committed adultery with their neighbors’ wives and have spoken words in My name falsely, which I did not command them; and I am He who knows and am a witness,” declares the Lord.’”

Judges 11:10

The elders of Gilead said to Jephthah, “The Lord is witness between us; surely we will do as you have said.”

1 Samuel 12:5

He said to them, “The Lord is witness against you, and His anointed is witness this day that you have found nothing in my hand.” And they said, “He is witness.”

Micah 1:2

Hear, O peoples, all of you;
Listen, O earth and all it contains,
And let the Lord God be a witness against you,
The Lord from His holy temple.

Leviticus 18:18

You shall not marry a woman in addition to her sister as a rival while she is alive, to uncover her nakedness.

Malachi 2:14

Yet you say, ‘For what reason?’ Because the Lord has been a witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion and your wife by covenant.

Malachi 3:5

“Then I will draw near to you for judgment; and I will be a swift witness against the sorcerers and against the adulterers and against those who swear falsely, and against those who oppress the wage earner in his wages, the widow and the orphan, and those who turn aside the alien and do not fear Me,” says the Lord of hosts.

Matthew 19:5-6

and said, ‘For this reason a man shall leave his father and mother and be joined to his wife, and the two shall become one flesh’?

1 Thessalonians 2:5

For we never came with flattering speech, as you know, nor with a pretext for greed—God is witness—

Treasury of Scripture Knowledge

Summary

If thou shalt afflict my daughters, or if thou shalt take other wives beside my daughters, no man is with us; see, God is witness betwixt me and thee.

Bible References

Afflict

Leviticus 18:18
You shall not marry a woman in addition to her sister as a rival while she is alive, to uncover her nakedness.
Matthew 19:5
and said, ‘For this reason a man shall leave his father and mother and be joined to his wife, and the two shall become one flesh’?

God

Judges 11:10
The elders of Gilead said to Jephthah, “The Lord is witness between us; surely we will do as you have said.”
1 Samuel 12:5
He said to them, “The Lord is witness against you, and His anointed is witness this day that you have found nothing in my hand.” And they said, “He is witness.”
Jeremiah 29:23
because they have acted foolishly in Israel, and have committed adultery with their neighbors’ wives and have spoken words in My name falsely, which I did not command them; and I am He who knows and am a witness,” declares the Lord.’”
Jeremiah 42:5
Then they said to Jeremiah, “May the Lord be a true and faithful witness against us if we do not act in accordance with the whole message with which the Lord your God will send you to us.
Micah 1:2
Hear, O peoples, all of you;
Listen, O earth and all it contains,
And let the Lord God be a witness against you,
The Lord from His holy temple.
Malachi 2:14
Yet you say, ‘For what reason?’ Because the Lord has been a witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion and your wife by covenant.
Malachi 3:5
“Then I will draw near to you for judgment; and I will be a swift witness against the sorcerers and against the adulterers and against those who swear falsely, and against those who oppress the wage earner in his wages, the widow and the orphan, and those who turn aside the alien and do not fear Me,” says the Lord of hosts.
1 Thessalonians 2:5
For we never came with flattering speech, as you know, nor with a pretext for greed—God is witness—