Sahih al-Bukhari 3140
صحيح البخاري#3140SahihNarrated Jubair bin Mut`im:I and `Uthman bin `Affan went to Allah's Messenger (ﷺ) and said, "O Allah's Messenger (ﷺ)! You have given to Bani Al-Muttalib and left us although they and we are of the same kinship to you." Allah's Messenger (ﷺ) said, "Bani Muttalib and Bani Hashim are one and the same." The Prophet (ﷺ) did not give a share to Bani `Abd Shams and Bani Naufal. (Ibn 'Is-haq said, "Abd Shams and Hashim and Al-Muttalib were maternal brothers and their mother was 'Atika bint Murra and Naufal was their paternal brother)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 57:48