“When brothers dwell together, and one of them has died, and has no son, the widow of the dead man shall not become a stranger’s outside. Her husband’s brother does go in to her, and shall take her as his wife, and perform the duty of a husband’s brother to her.
“Go back, my daughters, go your way, for I am too old to have a husband. If I should say I have expectancy, even if I should have a husband tonight and should also bear sons,
And Onan knew that the offspring would not be his. And it came to be, when he went in to his brother’s wife, that he spilled on the ground, lest he should give an offspring to his brother.