Leviticus 18:9

9 The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, born at home, or born abroad -- their nakedness shalt thou not uncover.

Leviticus 18:9 In-Context

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.
8 The nakedness of thy father's wife shalt thou not uncover: it is thy father's nakedness.
9 The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, born at home, or born abroad -- their nakedness shalt thou not uncover.
10 The nakedness of thy son's daughter, or of thy daughter's daughter -- their nakedness shalt thou not uncover; for theirs is thy nakedness.
11 The nakedness of thy father's wife's daughter, begotten of thy father: she is thy sister: thou shalt not uncover her nakedness.
The Darby Translation is in the public domain.