Then Boaz said, On the day when you take this field, you will have to take with it Ruth, the Moabitess, the wife of the dead, so that you may keep the name of the dead living in his heritage.
Then Judah said to Onan, Go in to your brother's wife and do what it is right for a husband's brother to do; make her your wife and get offspring for your brother.
Master, Moses said that if a man's brother comes to his end, having a wife, but no children, his brother is to take the wife, and get a family for his brother.
But if the man says he will not take his brother's wife, then let the wife go to the responsible men of the town, and say, My husband's brother will not keep his brother's name living in Israel; he will not do what it is right for a husband's brother to do.