[Machine] About Urwah regarding the naming of the person who witnessed the bay'ah at al-'Aqabah from the Ansar, then from the Banu Mazin ibn al-Najjar, it is Qays ibn Abi Sa'sa'ah. And he had witnessed the Battle of Badr, and the name of Abi Sa'sa'ah was 'Amr ibn Zaid ibn 'Awf ibn Mabdhool.
عَنْ عُرْوَةَ فِي تَسْمِيَةِ مَنْ شَهِدَ الْعَقَبَةَ مِنَ الْأَنْصَارِ ثُمَّ مِن بَنِي مَازِنِ بْنِ النَّجَّارِ قَيْسُ بْنُ أَبِي صَعْصَعَةَ وَقَدْ شَهِدَ بَدْرًا وَاسْمُ أَبِي صَعْصَعَةَ عَمْرُو بْنُ زَيْدِ بْنِ عَوْفِ بْنِ مَبْذُولٍ