Sahih Muslim 2317
صحيح مسلم#2317SahihMaimuna bint Harith reported that she set free a slave-girl during the lifetime of the Messenger of Allah (ﷺ) and she made a mention of that to the Messenger of Allah (ﷺ) and he said:Had you gives her to your maternal uncles, you would have a greater reward
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 12:54