12 “Speak to the children of Israel, and tell them: ‘If any man’s wife goes astray and is unfaithful to him,
Numbers 5:12 Cross References - WEB
Numbers 5:19-20
19 The priest shall cause her to take an oath and shall tell the woman, “If no man has lain with you, and if you haven’t gone aside to uncleanness, being under your husband’s authority, be free from this water of bitterness that brings a curse.
20 But if you have gone astray, being under your husband’s authority, and if you are defiled, and some man has lain with you besides your husband—”