Genesis 21:30

And he said, These seven ewe lambs thou shall take from my hand, that it may be a witness to me, that I have dug this well.

Genesis 31:52

This heap is witness, and the pillar is witness, that I will not pass over this heap to thee, and that thou shall not pass over this heap and this pillar to me, for harm.

Genesis 31:44-48

And now come, let us make a covenant, I and thou, and let it be for a witness between me and thee.

but it shall be a witness between us and you, and between our generations after us, that we may do the service of LORD before him with our burnt-offerings, and with our sacrifices, and with our peace-offerings, that your sons may n

Joshua 24:27

And Joshua said to all the people, Behold, this stone shall be a witness against us, for it has heard all the words of LORD which he spoke to us. It shall be therefore a witness against you, lest ye deny your God.