Genesis 31:47

44 Come, let us make an agreement, you and I; and let it be for a witness between us.

45 Then Jacob took a stone and put it up as a pillar.

46 And Jacob said to his people, Get stones together; and they did so; and they had a meal there by the stones.

47 And the name Laban gave it was Jegar-sahadutha: but Jacob gave it the name of Galeed.

48 And Laban said, These stones are a witness between you and me today. For this reason its name was Galeed,

49 And Mizpah, for he said, May the Lord keep watch on us when we are unable to see one another's doings.

50 If you are cruel to my daughters, or if you take other wives in addition to my daughters, then though no man is there to see, God will be the witness between us.