Merits of the Helpers in Madinah (Ansaar)
Bukhari :: Book 5 :: Volume 58 :: Hadith 155
Anas said, "The Quran was collected in the lifetime of the Prophet by four (men), all of whom were from the Ansar: Ubai, Muadh bin Jabal, Abu Zaid and Zaid bin Thabit." I asked Anas, "Who is Abu Zaid?" He said, "One of my uncles."
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