Are the children of the husband considered siblings to the wife's sister, whom the stepmother breastfed, given that the wife breastfed her sister to satiation and married her to one of her husband's sons, and they begot children?
Source: FtawySummary from Ftawy's records · added here Sep 2, 2026
If a woman breastfeeds her sister five times or more while they are both of suckling age, the younger sister becomes the daughter of the nursing woman and her husband. Consequently, it becomes unlawful for her to marry the sons of her sister's husband, because they become her brothers through suckling. It is a condition that the milk must be from the current husband of the nursing woman, not from a previous husband. These conditions must be confirmed, and the matter should be presented to a court for a ruling.
Summary from Ftawy's records · added here
Reviewed by El Fatwa's sharia committee.
Read the full answer on Ftawyhttps://ftawy.com/en/questions/7854
Where this answer came from
- Source platform
- Ftawy
- Original fatwa ID
- 7854
- Added here
- . This is when the answer was added to El Fatwa, not the fatwa's date.
- Text
- Summary from Ftawy's records, reviewed by El Fatwa's sharia committee.
- Read the full ruling
- Read the full answer on Ftawy