Is a Husband Considered a Mahram to His Wife’s Sister? Dar al-Ifta Clarifies

Egypt’s Dar al-Ifta explains the Islamic ruling regarding the relationship between a husband and his wife’s sister during marriage.

  Sun , April 19 2026 / 04:34 PM Updated At: 2026-04-19 16:34:06

حكم كون الزوج محرمًا لأخت زوجته في الإسلام

Questions often arise regarding the limits of mahram relationships in Islam, especially concerning the status of a wife’s sister during an ongoing marriage.

⚖️ The Ruling on the Wife’s Sister

Dar al-Ifta clarified that a wife’s sister is considered a temporarily prohibited marriage relationship. This means a man cannot marry her while he is married to her sister, but she is not a permanent mahram.

Therefore, as long as the marriage remains valid, the husband is not a mahram to his wife’s sister and is considered a non-mahram in Islamic law.

🕊️ When Does Marriage Become Permissible?

The sister becomes permissible for marriage only after the marital bond ends through divorce or death, and after the completion of the waiting period (iddah).

⚖️ Rules of Mahram Relationships

A mahram is someone with whom marriage is permanently forbidden due to blood relations, breastfeeding, or marital ties, forming clear boundaries in Islamic social life.

🧕 Wearing Niqab During Ihram

In a related ruling, Dar al-Ifta stated that a woman in ihram is not allowed to wear a niqab covering her face, but she may use a loose covering that does not touch the face directly.

If she violates this intentionally, she must offer expiation, choosing between fasting, charity, or sacrifice.

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