She breastfed a child thinking that it was her son; is the mahram relationship through breastfeeding established?

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Check below answers in case you are looking for other related questions:
Does shaking hands with his fiancée’s mother with desire mean that he is not allowed to marry her daughter?
The wife’s mother: rulings and issues

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Does shaking hands with his fiancée’s mother with desire mean that he is not allowed to marry her daughter?
The wife’s mother: rulings and issues

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