Then Judah said to his daughter-in-law Tamar, “Live as a widow in your father’s house until Shelah my son grows up.” For he thought, “I don’t want him to die like his brothers.” So Tamar went and lived in her father’s house.
Then Judah said to Onan, “Have sexual relations with your brother’s wife and fulfill the duty of a brother-in-law to her so that you may raise up a descendant for your brother.”
They sent to him their disciples along with the Herodians, saying, “Teacher, we know that you are truthful, and teach the way of God in accordance with the truth. You do not court anyone’s favor because you show no partiality.
“Teacher, Moses wrote for us: ‘If a man’s brother dies and leaves a wife but no children, that man must marry the widow and father children for his brother.’
They asked him, “Teacher, Moses wrote for us that if a man’s brother dies leaving a wife but no children, that man must marry the widow and father children for his brother.
But Naomi replied, “Go back home, my daughters! There is no reason for you to return to Judah with me! I am no longer capable of giving birth to sons who might become your husbands!
Remain here tonight. Then in the morning, if he agrees to marry you, fine, let him do so. But if he does not want to do so, I promise, as surely as the Lord lives, to marry you. Sleep here until morning.”
Then Boaz said, “When you acquire the field from Naomi, you must also acquire Ruth the Moabite, the wife of our deceased relative, in order to preserve his family name by raising up a descendant who will inherit his property.”