Leviticus 18
NET
15 You must not have sexual relations with your daughter-in-law; she is your son’s wife. You must not have sexual relations with her.
Darby
15 The nakedness of thy daughter-in-law shalt thou not uncover: she is thy son's wife; thou shalt not uncover her nakedness.
KJV
15 Thou shalt not uncover the nakedness of thy daughter in law: she [is] thy son's wife; thou shalt not uncover her nakedness.