Leviticus 18:9

New Century Version

“ ‘You must not have sexual relations with your sister, either the daughter of your father or your mother. It doesn’t matter if she was born in your house or somewhere else.

Cross References

Ezekiel 22:11

One man in you does a hateful act with his neighbor’s wife, while another has shamefully made his daughter-in-law unclean sexually. And another forces his half sister to have sexual relations with him.

Leviticus 18:10

“ ‘You must not have sexual relations with your son’s daughter or your daughter’s daughter; that would bring shame on you.

Leviticus 18:11

“ ‘If your father and his wife have a daughter, she is your sister. You must not have sexual relations with her.

Leviticus 20:17

“ ‘It is shameful for a brother to marry his sister, the daughter of either his father or his mother, and to have sexual relations with her. In front of everyone they must both be cut off from their people. The man has shamed his sister, and he is guilty of sin.

Deuteronomy 27:22

“A man will be cursed who has sexual relations with his sister, whether she is his father’s daughter or his mother’s daughter.” Then all the people will say, “Amen!”