Does the husband of the wife's sister become a mahram to her if the wife breastfeeds to the point of satiation from her sister, and do the brothers of the sister's husband from fosterage and others become mahrams to her?
Source: FtawySummarized from the full answer at Ftawy · imported Sep 2, 2026
If a sister breastfeeds her sister five times within the first two years of life, before weaning, the latter becomes her daughter through suckling. The sister's husband then becomes her father, and the husband's brothers become her paternal uncles, based on the Prophet Muhammad's (peace be upon him) saying: "What is prohibited by lineage is also prohibited by suckling."
Summarized from the full answer at Ftawy · imported
Read the full answer on Ftawyhttps://ftawy.com/en/questions/37032
- Source platform
- Ftawy
- Original fatwa ID
- 37032
- Imported
- Translation status
- Source text, unreviewed
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- Read the full answer on Ftawy