"Mention was made to the Messenger of Allah of the daughter of Hamzah (as a potential wife). He said: 'She is the daughter of my brother through breast-feeding.'" (One of the narrators) Shu'bah said: "Qatadah heard this from Jabir bin Zaid."
Reference: Sunan an-Nasa'i 3305 In-book : Book 26, Hadith 110 English translation : Vol. 4, Book 26, Hadith 3307
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