Yahya related to me from Malik from Nafi that Safiyya bint Abi
Ubayd told him that Hafsa, umm al-muminin, sent Asim ibn Abdullah ibn
Sad to her sister Fatima bint Umar ibn al-Khattab for her to suckle
him ten times so that he could come in to see her. She did it, so he
used to come in to see her.