Musannaf Ibn Abi Shayba 22:149

Ibn Idris narrated to us, from Shu'bah, from Qatadah, who said: I heard Anas saying: "Mu'adh, Ubayy, Sa'd, and Abu Zayd recited it." He said: I said, "Who is Abu Zayd?" He said, "One of my paternal uncles."