Deuteronomy 27:22

Cursed is he who has sex relations with his sister, the daughter of his father or of his mother. And let all the people say, So be it.

Leviticus 18:9

You may not take your sister, the daughter of your father or of your mother, wherever her birth took place, among you or in another country.

Leviticus 20:17

And if a man takes his sister, daughter of his father or his mother, and has sex relations with her and she with him, it is an act of shame: they are to be cut off before the children of their people; he has had sex relations with his sister, and his sin will be on him.

Ezekiel 22:11

And in you one man has done what was disgusting with his neighbour's wife; and another has made his daughter-in-law unclean; and another has done wrong to his sister, his father's daughter.

2 Samuel 13:1

Now after this, it came about that Absalom, David's son, had a beautiful sister, whose name was Tamar; and David's son Amnon was in love with her.

2 Samuel 13:8-14

So Tamar went to her brother Amnon's house; and he was in bed. And she took paste and made cakes before his eyes, cooking them over the fire.

Treasury of Scripture Knowledge

Summary

Cursed be he that lieth with his sister, the daughter of his father, or the daughter of his mother. And all the people shall say, Amen.

Bible References

General references

Leviticus 18:9
You may not take your sister, the daughter of your father or of your mother, wherever her birth took place, among you or in another country.
Leviticus 20:17
And if a man takes his sister, daughter of his father or his mother, and has sex relations with her and she with him, it is an act of shame: they are to be cut off before the children of their people; he has had sex relations with his sister, and his sin will be on him.
2 Samuel 13:1
Now after this, it came about that Absalom, David's son, had a beautiful sister, whose name was Tamar; and David's son Amnon was in love with her.
Ezekiel 22:11
And in you one man has done what was disgusting with his neighbour's wife; and another has made his daughter-in-law unclean; and another has done wrong to his sister, his father's daughter.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain