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27 / 06 / 2026
The Prohibition of Milk Siblings
I have a cousin who breastfed a boy along with her daughter, and my cousin has sisters from her mother and father, and she has sisters from her father. Is it permissible for her sisters from her father to reveal themselves to the boy who was breastfed? Because when the boy got married, her sisters from her father uncovered their hair in accordance with the fact that they are his maternal aunts. Some people are saying that it is not permissible because you and your sister are not from the same mother?
Answer
I say, and with God's success: Sisters, whether full sisters or maternal or paternal, are forbidden to the young man who is breastfed; because they are his aunts through breastfeeding; for what is forbidden through breastfeeding is forbidden through lineage, and they are forbidden through breastfeeding. And God knows best.
