I was breastfed by my paternal grandmother, and my maternal aunt was also breastfed by her. Is it permissible for me to marry my paternal cousins or my maternal aunt’s daughters?

Question:
May Allah reward you, Honorable Shaykh. This questioner says: I was breastfed by my paternal grandmother for several months, and in return, my maternal aunt was breastfed by her several times and for several months. He says, may Allah keep you safe: I was breastfed by my paternal grandmother for several months, and in return, my maternal aunt was breastfed by her several times and for several months. The question is: Is it permissible for me to marry my paternal cousins or my maternal aunt’s daughters?

Answer:
Who is the owner of your work? You were breastfed by your grandmother, who is your paternal uncle’s mother, which means you are a brother to your paternal uncle. Therefore, you must not marry his daughter, because you are her paternal uncle through breastfeeding. If you were breastfed by your paternal grandmother, you must not marry your paternal cousin, because you are her paternal uncle through breastfeeding. He is your paternal uncle, and you are his brother through breastfeeding.