Anas said, "The Qur'an was collected in the lifetime of the Prophet ﷺ by four (men), all of whom were from the Ansar: Ubai, Muʿadh bin Jabal, Abu Zaid and Zaid bin Thabit." I asked Anas, "Who is Abu Zaid?" He said, "One of my uncles."  

جَمَعَ الْقُرْآنَ عَلَى عَهْدِ النَّبِيِّ ﷺ أَرْبَعَةٌ كُلُّهُمْ مِنَ الأَنْصَارِ أُبَىٌّ وَمُعَاذُ بْنُ جَبَلٍ وَأَبُو زَيْدٍ وَزَيْدُ بْنُ ثَابِتٍ قُلْتُ لأَنَسِ مَنْ أَبُو زَيْدٍ قَالَ أَحَدُ عُمُومَتِي