Leviticus 18:10

New American Bible - revised edition

You shall not have intercourse with your son’s daughter or with your daughter’s daughter, for that would be a disgrace to you.

Cross References

Leviticus 18:11

You shall not have intercourse with the daughter whom your father’s wife bore to him in his household, since she, too, is your sister.

Leviticus 18:9

You shall not have intercourse with your sister, your father’s daughter or your mother’s daughter, whether she was born in your own household or born elsewhere.