A man who divorces his wife and marries her sister during her waiting period

Al-Hakam said: Sayyiduna Ali (may Allah be pleased with him) was asked about a man who divorced a woman and, during her waiting period, married her sister: what is the ruling? Sayyiduna Ali (may Allah be pleased with him) separated the two of them and gave her the dowry, in return for what he had made lawful of her private parts. And he said: When the first wife completes her waiting period, then he may send a proposal of marriage.

Amr bin Shu'ayb said: A man divorced his wife and then married her sister. Sayyiduna Ibn Abbas (may Allah be pleased with them both) said to Marwan: Separate the two of them until the waiting period of the divorced woman is over.

Ibrahim said: When a man marries a woman and then divorces her, and then marries her sister during her waiting period, his marriage to her is unlawful. The two will be separated. The woman will be owed neither a dowry nor a waiting period. And if he has consummated the marriage with her, she will receive the full dowry and must observe the full waiting period, and both of them will observe a waiting period from him, each of them three menstrual periods; if they do not menstruate, then three months.

Zakariyya said: Amir was asked: If a man marries a woman, then divorces her, and then marries her sister during that woman's waiting period, what is the ruling? He said: The two of them will be separated.

Al-Hasan used to consider it disliked that a man should give a woman three divorces and then marry her sister during her waiting period.

Ibrahim said: A man may not divorce a woman and then marry her sister during her waiting period.