Leviticus 18:9-11

Young's Literal Translation

⁹ `The nakedness of thy sister, daughter of thy father, or daughter of thy mother, born at home or born without; thou dost not uncover their nakedness.

¹⁰ `The nakedness of thy son's daughter, or of thy daughter's daughter: thou dost not uncover their nakedness; for theirs [is] thy nakedness.

¹¹ `The nakedness of a daughter of thy father's wife, begotten of thy father, she [is] thy sister; thou dost not uncover her nakedness.