Leviticus 18:7 in the 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.
Context
6 “‘None of you shall approach any close relatives, to uncover their nakedness: I am the LORD.
7 “‘You shall not uncover the nakedness of your father, nor the nakedness of your mother: she is your mother. You shall not uncover her nakedness.
8 “‘You shall not uncover the nakedness of your father’s wife. It is your father’s nakedness.