“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.
“Teacher, Mosheh wrote to us that if a brother of anyone dies, and leaves his wife behind, and leaves no children, his brother should take his wife and raise up offspring for his brother.