Leviticus 18:7
King James Version
The nakedness of thy father, or the nakedness of thy mother, shalt thou not uncover: she is thy mother; thou shalt not uncover her nakedness.
Leviticus 18:7 in context
Ye shall therefore keep my statutes, and my judgments: which if a man do, he shall live in them: I am the LORD.
None of you shall approach to any that is near of kin to him, to uncover their nakedness: I am the LORD.
The nakedness of thy father, or the nakedness of thy mother, shalt thou not uncover: she is thy mother; thou shalt not uncover her nakedness.
The nakedness of thy father’s wife shalt thou not uncover: it is thy father’s nakedness.
The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, whether she be born at home, or born abroad, even their nakedness thou shalt not uncover.