[Machine] Uthman bin Affan bin Abi Al-Aas bin Umayah bin Abdul Shams bin Abdul Manaf bin Qusay bin Kilab and Umm Uthman Arwa bint Kareez and Umm Arwa Umm Hakim, and she is Al-Bayda'a, the paternal aunt of the Messenger of Allah ﷺ . They differed regarding the kunyah (agnomen) of Uthman. It was said, "Abu Abdullah" and it was said, "Abu Amr". Adh-Dhahabi remained silent about it in his summarization.  

عُثْمَانُ بْنُ عَفَّانَ بْنِ أَبِي الْعَاصِ بْنِ أُمَيَّةَ بْنِ عَبْدِ شَمْسِ بْنِ عَبْدِ مَنَافِ بْنِ قُصَيِّ بْنِ كِلَابٍ وَأُمُّ عُثْمَانَ أَرْوَى بِنْتُ كَرِيزٍ وَأُمُّ أَرْوَى أُمُّ حَكِيمٍ وَهِيَ الْبَيْضَاءُ عَمَّةُ رَسُولِ اللَّهِ ﷺ قَدِ اخْتَلَفُوا فِي كُنْيَةِ عُثْمَانَ فَقِيلَ أَبُو عَبْدِ اللَّهِ وَقِيلَ أَبُو عَمْرٍو سكت عنه الذهبي في التلخيص