Genesis 21:30

He said, “You shall take these seven ewe lambs from my hand so that it may be a witness to me, that I dug this well.”

Genesis 31:52

This heap is a witness, and the pillar is a witness, that I will not pass by this heap to you for harm, and you will not pass by this heap and this pillar to me, for harm.

Genesis 31:44-48

So now come, let us make a covenant, you and I, and let it be a witness between you and me.”

Joshua 22:27-28

rather it shall be a witness between us and you and between our generations after us, that we are to perform the service of the Lord before Him with our burnt offerings, and with our sacrifices and with our peace offerings, so that your sons will not say to our sons in time to come, “You have no portion in the Lord.”’

Joshua 24:27

Joshua said to all the people, “Behold, this stone shall be for a witness against us, for it has heard all the words of the Lord which He spoke to us; thus it shall be for a witness against you, so that you do not deny your God.”

Treasury of Scripture Knowledge

Summary

And he said, For these seven ewe lambs shalt thou take of my hand, that they may be a witness unto me, that I have digged this well.

Bible References

A witness

Genesis 31:44
So now come, let us make a covenant, you and I, and let it be a witness between you and me.”
Joshua 22:27
rather it shall be a witness between us and you and between our generations after us, that we are to perform the service of the Lord before Him with our burnt offerings, and with our sacrifices and with our peace offerings, so that your sons will not say to our sons in time to come, “You have no portion in the Lord.”’
Joshua 24:27
Joshua said to all the people, “Behold, this stone shall be for a witness against us, for it has heard all the words of the Lord which He spoke to us; thus it shall be for a witness against you, so that you do not deny your God.”