Chapter 18: The Book of Suckling
This hadith has been narrated on the authority of Zuhri with the same chain of transmitters (that 'A' isha said): 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).
Sahih Muslim 1445d