Sahih al-Bukhari 3891
صحيح البخاري#3891SahihNarrated Jabir:My father, my two maternal uncles and I were among those who took part in the 'Aqaba Pledge
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: 63:116