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Can a man marry his wife’s sister whilst he is married to his wife/one of the sisters? 

Answered according to Hanafi Fiqh by TheMufti.com

Q. Assalamualaikum A man married the younger sister of his wife and made his second wife which violates the Shriah Law. Now what should he do? With which one should he live with – first one or second one?   


A. It is not permissible for a man to marry his wife’s sister whilst he is in the Nikah of his wife. Accordingly, the Nikah performed to the wife’s sister whilst in the Nikah of the wife is invalid. In this case, the husband does not have the choice to choose his wife’s sister as his second wife. (Badaai’-us-Sanaai 2/263)

Allah Ta’ala Knows Best

Mufti Ismaeel Bassa

This answer was collected from TheMufti.com, which is a fatwa portal managed by Mufti Ismaeel Bassa from South Africa.

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