Leviticus 18:9

You shall not uncover the nakedness of your sister, either the daughter of your father or of your mother, whether born at home or born elsewhere.

Leviticus 20:17

‘If a man takes his sister, his father’s daughter or his mother’s daughter, so that he sees her nakedness and she sees his nakedness, it is a disgrace; and they shall be cut off in the sight of the sons of their people. He has uncovered his sister’s nakedness; he bears [responsibility for] his guilt.

Deuteronomy 27:22

‘Cursed is he who is intimate with his [half] sister, whether his father’s or his mother’s daughter.’ And all the people shall say, ‘Amen.’

Ezekiel 22:11

In you one has committed a shameful act with his neighbor’s wife, another has lewdly defiled his daughter-in-law, and another has violated his sister, his father’s daughter.

Leviticus 18:11

You shall not uncover the nakedness of your father’s wife’s daughter; born to your father, she is your sister.

2 Samuel 13:11-14

When she brought them to him to eat, he took hold of her and said, “Come, lie with me, my sister.”

Treasury of Scripture Knowledge

Summary

The nakedness of thy sister, the daughter of thy father, or daughter of thy mother, whether she be born at home, or born abroad, even their nakedness thou shalt not uncover.

Bible References

General references

Leviticus 20:17
‘If a man takes his sister, his father’s daughter or his mother’s daughter, so that he sees her nakedness and she sees his nakedness, it is a disgrace; and they shall be cut off in the sight of the sons of their people. He has uncovered his sister’s nakedness; he bears [responsibility for] his guilt.
Deuteronomy 27:22
‘Cursed is he who is intimate with his [half] sister, whether his father’s or his mother’s daughter.’ And all the people shall say, ‘Amen.’
2 Samuel 13:11
When she brought them to him to eat, he took hold of her and said, “Come, lie with me, my sister.”
Ezekiel 22:11
In you one has committed a shameful act with his neighbor’s wife, another has lewdly defiled his daughter-in-law, and another has violated his sister, his father’s daughter.