Genesis 31:50

If you mistreat my daughters or take other wives, though no one is with us, understand that God will be a witness between you and me.”

Jeremiah 42:5

And they said to Jeremiah, “As for every word the Lord your God sends you to tell us, if we don’t act accordingly, may the Lord be a true and faithful witness against us.

Jeremiah 29:23

because they have committed an outrage in Israel by committing adultery with their neighbors’ wives and have spoken a lie in My name, which I did not command them. I am He who knows, and I am a witness.” This is the Lord’s declaration.

Judges 11:10

The elders of Gilead said to Jephthah, “The Lord is our witness if we don’t do as you say.”

1 Samuel 12:5

He said to them, “The Lord is a witness against you, and His anointed is a witness today that you haven’t found anything in my hand.”

“He is a witness,” they said.

Micah 1:2

Listen, all you peoples;
pay attention, earth and everyone in it!
The Lord God will be a witness against you,
the Lord, from His holy temple.

Leviticus 18:18

You are not to marry a woman as a rival to her sister and have sexual intercourse with her during her sister’s lifetime.

Malachi 2:14

Yet you ask, “For what reason?” Because the Lord has been a witness between you and the wife of your youth. You have acted treacherously against her, though she was your marriage partner and your wife by covenant.

Malachi 3:5

“I will come to you in judgment, and I will be ready to witness against sorcerers and adulterers; against those who swear falsely; against those who oppress the widow and the fatherless, and cheat the wage earner; and against those who deny justice to the foreigner. They do not fear Me,” says the Lord of Hosts.

Matthew 19:5-6

and He also said:

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

1 Thessalonians 2:5

For we never used flattering speech, as you know, or had greedy motives—God is our 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 are not to marry a woman as a rival to her sister and have sexual intercourse with her during her sister’s lifetime.
Matthew 19:5
and He also said:

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

God

Judges 11:10
The elders of Gilead said to Jephthah, “The Lord is our witness if we don’t do as you say.”
1 Samuel 12:5
He said to them, “The Lord is a witness against you, and His anointed is a witness today that you haven’t found anything in my hand.”

“He is a witness,” they said.
Jeremiah 29:23
because they have committed an outrage in Israel by committing adultery with their neighbors’ wives and have spoken a lie in My name, which I did not command them. I am He who knows, and I am a witness.” This is the Lord’s declaration.
Jeremiah 42:5
And they said to Jeremiah, “As for every word the Lord your God sends you to tell us, if we don’t act accordingly, may the Lord be a true and faithful witness against us.
Micah 1:2
Listen, all you peoples;
pay attention, earth and everyone in it!
The Lord God will be a witness against you,
the Lord, from His holy temple.
Malachi 2:14
Yet you ask, “For what reason?” Because the Lord has been a witness between you and the wife of your youth. You have acted treacherously against her, though she was your marriage partner and your wife by covenant.
Malachi 3:5
“I will come to you in judgment, and I will be ready to witness against sorcerers and adulterers; against those who swear falsely; against those who oppress the widow and the fatherless, and cheat the wage earner; and against those who deny justice to the foreigner. They do not fear Me,” says the Lord of Hosts.
1 Thessalonians 2:5
For we never used flattering speech, as you know, or had greedy motives—God is our witness

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.