al-Zuhri ابن شهاب الزهري‎, محمد بن مسلم · The Book of Suckling

There came Aflah, the brother of Abu'l Qulais (Allah be pleased with him), and sought permission from her, the rest of the hadith is the same (except for the words that the Holy Prophet) said:" He is your uncle. Let your hand be besmeared with dust. Abu'l Qulais was the husband of the woman who had suckled 'A'isha (Allah be pleased with her).