Mishkat al-Masabih 30 Fine Qualities كتاب المناقب 166

وَعَنْهُ قَالَ: إِنَّ زَيْدٍ بْنِ حَارِثَةَ مَوْلَى رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَا كُنَّا نَدْعُوهُ إِلَّا زَيْدَ بْنَ مُحَمَّدٍ حَتَّى نزل الْقُرْآن [أُدعوهم لِآبَائِهِمْ] مُتَّفق عَلَيْهِ وَذكر حَدِيث الْبَراء قَالَ لعليّ: «أَنْتَ مِنِّي» فِي «بَابِ بُلُوغِ الصَّغِيرِ وَحَضَانَتِهِ»

He told that they used to call Zaid b. Haritha, God’s messenger’s client, simply Zaid b. Muhammad till the verse in the Quran came down, “Call them after their fathers[*].” *Quran, 33:5. (Bukhari and Muslim.) The tradition of al-Bara’ in which he said to `Ali, “You pertain to me,” has been mentioned in the chapter on young people attaining puberty, and their guardianship in childhood[*].