Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
hakim:5927Abū Jaʿfar Muḥammad b. Muḥammad al-Baghdādī Binaysābūr > ʿUlāthah from my father > Ibn Lahīʿah > al-Aswad > ʿUrwah

[Machine] "Indeed, among the Sahaba (companions) of the As-hab al-'Aqaba who gave bay'ah (pledge of allegiance) to the Prophet Muhammad ﷺ from the tribe of Bani Ghanm bin Malik bin al-Najjar is Abu Ayyub. He is Khalid bin Zaid bin Kulayb bin Tha'laba."  

الحاكم:٥٩٢٧أَخْبَرَنِي أَبُو جَعْفَرٍ مُحَمَّدُ بْنُ مُحَمَّدٍ الْبَغْدَادِيُّ بِنَيْسَابُورَ ثَنَا عُلَاثَةُ ثَنَا أَبِي ثَنَا ابْنُ لَهِيعَةَ ثَنَا الْأَسْوَدُ عَنْ عُرْوَةَ

«أَنَّ مِنْ تَسْمِيَةِ أَصْحَابِ الْعَقَبَةِ الَّذِينَ بَايَعُوا النَّبِيَّ ﷺ مِنْ بَنِي غَنْمِ بْنِ مَالِكِ بْنِ النَّجَّارِ أَبُو أَيُّوبَ وَهُوَ خَالِدُ بْنُ زَيْدِ بْنِ كُلَيْبِ بْنِ ثَعْلَبَةَ»