It has been narrated on the authority of 'Abdullah b. Abu Aufa who said:
The Companions of the Tree (i e. those who swore fealty under the tree) were one thousand and three hundred, and the people of Aslam tribe were one-eighth of the Muhajirs.
Reference: Sahih Muslim 1857 a In-book : Book 33, Hadith 112 USC-MSA web (English) : Book 20, Hadith 4584 (deprecated)
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