Question:
A person is breast-fed by his Dadi (paternal grandmother). What is the ruling if he wishes to marry his paternal uncle's children (cousins)?
Answer:
It will be impermissible for a person who was breast-fed by his Dadi (paternal grandmother) to get married to his paternal uncle’s children. (Fataawa Mahmudiyyah Vol. 11 Pg. 340)