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.
Jewish Publication Society of America Version (JPS1917) - Leviticus 18:7 >The nakedness of thy father, and the nakedness of thy mother, shalt thou not uncover: she is thy mother; thou shalt not uncover her nakedness.