When Isaac was forty years old, he married Rebekah, ¹  the daughter of Bethuel the Aramean from Paddan Aram and sister of Laban the Aramean. ² 

Then Rachel said, “I have fought a desperate struggle with my sister, but I have won.” ¹  So she named him Naphtali. ² 

Jacob’s sons answered Shechem and his father Hamor deceitfully when they spoke because Shechem ¹  had violated their sister Dinah.

The sons of Asher: Imnah, Ishvah, Ishvi, Beriah, and Serah their sister. The sons of Beriah were Heber and Malkiel.

Then his sister said to Pharaoh’s daughter, “Shall I go and get ¹  a nursing woman ²  for you from the Hebrews, so that she may nurse ³  the child for you?”

Aaron married Elisheba, the daughter of Amminadab and sister of Nahshon, and she bore him Nadab and Abihu, Eleazar and Ithamar.

Miriam the prophetess, the sister of Aaron, took a hand-drum in her hand, and all the women went out after her with hand-drums and with dances. ¹ 

You must not have sexual intercourse with the daughter of your father’s wife born of your father; she is your sister. You must not have intercourse with her. ¹ 

‘Cursed is the one who has sexual relations with his sister, the daughter of either his father or mother.’ Then all the people will say, ‘Amen!’

Now David’s son Absalom had a beautiful sister named Tamar. In the course of time David’s son Amnon fell madly in love with her. ¹ 

As she brought them to him to eat, he grabbed her and said to her, “Come on! Get in bed with me, ¹  my sister!”

But Absalom said nothing to Amnon, either bad or good, yet Absalom hated Amnon because he had humiliated his sister Tamar.

The sons of Hodiah’s wife, the sister of Naham: the father of Keilah the Garmite, and Eshtemoa the Maacathite.

Yet even after she had done all that, I thought that she might come back to me. ¹  But she did not. Her sister, unfaithful Judah, saw what she did. ² 

In spite of all this, ¹  Israel’s sister, unfaithful Judah, has not turned back to me with any sincerity; she has only pretended to do so,” ²  says the Lord.

When she lustfully exposed her nakedness, ¹  I ²  was disgusted with her, just as I ³  had been disgusted with her sister.

So they sent their sister Rebekah on her way, accompanied by her female attendant, with Abraham’s servant and his men.

Jacob’s sons killed them ¹  and looted the city because their sister had been violated. ² 

The sons of Pedaiah: Zerubbabel and Shimei. The sons of Zerubbabel: Meshullam and Hananiah. Shelomith was their sister.

As surely as I live, declares the sovereign Lord, your sister Sodom and her daughters never behaved as wickedly as you and your daughters have behaved.