Sahih Muslim 6372
صحيح مسلم#6372SahihAnas reported that Umm Sulaim said (to the Holy Prophet) Allah's Messenger, here is your servant Anas, invoke blessings of Allah upon him. Thereupon he (the Holy Prophet) said:O Allah, make an increase in his wealth, and progeny, and confer blessings upon him in everything Thou hast bestowed upon him
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: 44:202