Leviticus 18:16 KJV
Thou shalt not uncover the nakedness of thy brother’s wife: it is thy brother’s nakedness.
Leviticus 18:16, King James Version
In context
15 Thou shalt not uncover the nakedness of thy daughter in law: she is thy son’s wife; thou shalt not uncover her nakedness.
16 Thou shalt not uncover the nakedness of thy brother’s wife: it is thy brother’s nakedness.
17 Thou shalt not uncover the nakedness of a woman and her daughter, neither shalt thou take her son’s daughter, or her daughter’s daughter, to uncover her nakedness; for they are her near kinswomen: it is wickedness.