Judges 11:10

And the elders of Gilead said to Jephthah, "Yahweh will be a {witness} between us; we will act according to your word."

Jeremiah 42:5

Then they said to Jeremiah, "May Yahweh be against us as {a true and faithful witness} if we do not do according to all the words that Yahweh sends you for us.

Genesis 31:50

If you mistreat my daughters, and if you take wives besides my daughters, [when] there is no man with us, see--God [is] a witness between me and you."

Jeremiah 29:23

because they have done a disgraceful thing in Israel, and they have committed adultery with the wives of their neighbors, and they have spoken words in my name, lies that I have not commanded them, and I [am] he who knows, and [I am] a witness,' {declares} Yahweh."

Genesis 16:5

And Sarai said to Abram, "may my harm [be] upon you. {I had my servant sleep with you}, and [when] she saw that she had conceived, {she no longer respected me}. May Yahweh judge between me and you!"

Genesis 21:23

So now, swear to me here by God [that] you will not deal with me falsely, or with my descendants, or my posterity. According to the kindness that I have done to you, you shall [pledge] to do with me and with the land where you have dwelled as an alien."

Genesis 31:53

May the God of Abraham and the God of Nahor, the God of their father judge between us." Then Jacob swore by the Fear of his father Isaac.

Exodus 20:7

"You shall not {misuse the name of Yahweh your God}, because Yahweh will not leave unpunished [anyone] who {misuses his name}.

Deuteronomy 1:16

And at that time I instructed your judges, saying, '{hear out your fellow men}, and [then] judge fairly between a man and between his brother and between {his opponent who is a resident alien}.

1 Samuel 12:5

So he said to them, "Yahweh [is] witness against you, and his anointed one [is] witness this day, that you have not found anything in my hand." Then they said, "[He is] witness."

1 Samuel 24:12

May Yahweh judge between me and you, and may Yahweh avenge me on you, but my hand will not be against you!

Zechariah 5:4

'I have sent it out,' {declares} Yahweh of hosts, 'and it will go into the house of the thief and into the house of the one swearing {falsely by my name}, and it will spend the night in that house and will destroy it, with its timber and its stone.'"

Malachi 3:5

"Then I will approach 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 the oppressors of [the] hired worker [with his] wages, [the] widow and [the] orphan, and {the abusers of} [the] alien, and [yet] do not fear me," says Yahweh of hosts.

Romans 1:9

For God, whom I serve with my spirit in the gospel of his Son, is my witness, how constantly I make mention of you,

2 Corinthians 11:31

The God and Father of the Lord Jesus, who is blessed {forever}, knows that I am not lying.

Treasury of Scripture Knowledge

Summary

And the elders of Gilead said unto Jephthah, The LORD be witness between us, if we do not so according to thy words.

Bible References

Be witness

Genesis 16:5
And Sarai said to Abram, "may my harm [be] upon you. {I had my servant sleep with you}, and [when] she saw that she had conceived, {she no longer respected me}. May Yahweh judge between me and you!"
Genesis 31:53
May the God of Abraham and the God of Nahor, the God of their father judge between us." Then Jacob swore by the Fear of his father Isaac.
Deuteronomy 1:16
And at that time I instructed your judges, saying, '{hear out your fellow men}, and [then] judge fairly between a man and between his brother and between {his opponent who is a resident alien}.
1 Samuel 24:12
May Yahweh judge between me and you, and may Yahweh avenge me on you, but my hand will not be against you!

If we do

Exodus 20:7
"You shall not {misuse the name of Yahweh your God}, because Yahweh will not leave unpunished [anyone] who {misuses his name}.
Zechariah 5:4
'I have sent it out,' {declares} Yahweh of hosts, 'and it will go into the house of the thief and into the house of the one swearing {falsely by my name}, and it will spend the night in that house and will destroy it, with its timber and its stone.'"
Malachi 3:5
"Then I will approach 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 the oppressors of [the] hired worker [with his] wages, [the] widow and [the] orphan, and {the abusers of} [the] alien, and [yet] do not fear me," says Yahweh of hosts.