If a man take a wife and she give this man a maid-servant as wife and she bear him children, and then this maid assume equality with the wife: because she has borne him children her master shall not sell her for money, but he may keep her as a slave, reckoning her among the maid-servants.
If a man take a wife and this woman give her husband a maid-servant, and she bear him children, but this man wishes to take another wife, this shall not be permitted to him; he shall not take a second wife.