Is it permissible for me to marry a man whose son I breastfed?
It is permissible to marry a man whose son was suckled [by the woman]; there is no state of mahramiyyah (prohibition of marriage due to kinship) between the woman and the man. Rather, the mahramiyyah exists between the woman and the son whom she suckled.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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