The aunts of your milk-sisters are forbidden to you

Question: I have milk-sisters, and they have aunts. Are the aunts of my milk-sisters my aunts or not? And are they forbidden to me in the same way that aunts by blood are forbidden to me? Please inform us; may Allah reward you.

Answer: If you are their brother from the father or from both parents through breastfeeding, then their aunts are your aunts; because they are your father’s sisters through breastfeeding. Therefore, it is not permissible for you to marry them; just like aunts by blood; based on the saying of the Prophet (peace and blessings be upon him): .
Unless they are aunts to your sisters from a father who is a father to them through breastfeeding, but not a father to you; because they were breastfed by a woman from whom you were not breastfed. In that case, they are strangers to you, and there is no harm in your marrying one of them; because they are not your aunts, but rather they are aunts to your sisters; because they are sisters to their father through breastfeeding, who is not your father. And success is from Allah.