Sunan an-Nasa'i 3257
سنن النسائي#3257SahihIt was narrated that Abu 'Ubaidah said:"Aishah said: 'The Messenger of Allah married me when I was nine and I lived with him for nine years
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 26:62