Genesis 31:50

If you afflict my daughters, or if you take wives besides my daughters, no man is with us; behold, God is witness between me and you."

Jeremiah 42:5

Then they said to Jeremiah, "The LORD be a true and faithful witness among us, if we do not do according to all the word with which the LORD your God shall send you to us.

Jeremiah 29:23

because they have worked folly 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 witness,' says the LORD."

Judges 11:10

The elders of Gilead said to Jephthah, "The LORD shall be witness between us; surely according to your word so will we do."

1 Samuel 12:5

He said to them, "The LORD is witness against you, and his anointed is witness this day, that you have not found anything in my hand." They said, "He is witness."

Micah 1:2

Hear, you peoples, all of you. Listen, O earth, and all that is therein: and let the Lord GOD be witness against you, the Lord from his holy temple.

Leviticus 18:18

"'You shall not take a wife to her sister, to be a rival, to uncover her nakedness, while her sister is yet alive.

Malachi 2:14

Yet you say, 'Why?' Because the LORD has been witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion, and the wife of your covenant.

Malachi 3:5

I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against the perjurers, and against those who oppress the hireling in his wages, the widow, and the fatherless, and who deprive the foreigner of justice, and do not fear me," says the LORD of hosts.

Matthew 19:5-6

and said, 'For this cause a man shall leave his father and mother, and shall join to his wife; and the two shall become one flesh?'

1 Thessalonians 2:5

For neither were we at any time found using words of flattery, as you know, nor a cloak of covetousness (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 take a wife to her sister, to be a rival, to uncover her nakedness, while her sister is yet alive.
Matthew 19:5
and said, 'For this cause a man shall leave his father and mother, and shall join to his wife; and the two shall become one flesh?'

God

Judges 11:10
The elders of Gilead said to Jephthah, "The LORD shall be witness between us; surely according to your word so will we do."
1 Samuel 12:5
He said to them, "The LORD is witness against you, and his anointed is witness this day, that you have not found anything in my hand." They said, "He is witness."
Jeremiah 29:23
because they have worked folly 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 witness,' says the LORD."
Jeremiah 42:5
Then they said to Jeremiah, "The LORD be a true and faithful witness among us, if we do not do according to all the word with which the LORD your God shall send you to us.
Micah 1:2
Hear, you peoples, all of you. Listen, O earth, and all that is therein: and let the Lord GOD be witness against you, the Lord from his holy temple.
Malachi 2:14
Yet you say, 'Why?' Because the LORD has been witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion, and the wife of your covenant.
Malachi 3:5
I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against the perjurers, and against those who oppress the hireling in his wages, the widow, and the fatherless, and who deprive the foreigner of justice, and do not fear me," says the LORD of hosts.
1 Thessalonians 2:5
For neither were we at any time found using words of flattery, as you know, nor a cloak of covetousness (God is witness),