question #2 Sahih al-Bukhari 3491, Book 61, Hadith 3 : Who was An-Nadr bin Kinana in relation to the Prophet Muhammad (ﷺ)?

I asked Zainab bint Abi Salama (i.e. daughter of the wife of the Prophet, “Tell me about the Prophet (ﷺ) .
Did he belong to the tribe of Mudar?” She replied, “Yes, he belonged to the tribe of Mudar and was
from the offspring of An-Nadr bin Kinana.”