⁸ Then Judah said to Onan, “Go in to your brother’s wife and perform the duty of a brother-in-law to her; raise up offspring for your brother.”^(A)

⁹ But since Onan knew that the offspring would not be his, he spilled his semen on the ground whenever he went in to his brother’s wife, so that he would not give offspring to his brother.^(A)

Levirate Marriage

⁵ “When brothers reside together and one of them dies and has no son, the wife of the deceased shall not be married outside the family to a stranger. Her husband’s brother shall go in to her, taking her in marriage and performing the duty of a husband’s brother to her,^(A)