Marriage with Two Sisters at the Same Time: Free or Slave-girls

8. Al-Husayn from Muhammad has narrated from Mu’alla’ ibn Muhammad from al-Hassan ibn Ali from Zurarah who has said the following: “About the case of a man who divorces his wife and she is pregnant; if he can marry her sister before she gives birth, he (the Imam) عليه السلام, has said, ‘He must not marry her until her time is complete.’”