Hadith 3378
أَخْبَرَنَا مُحَمَّدُ بْنُ آدَمَ، عَنْ عَبْدَةَ، عَنْ هِشَامٍ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ تَزَوَّجَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم وَأَنَا بِنْتُ سِتٍّ وَدَخَلَ عَلَىَّ وَأَنَا بِنْتُ تِسْعِ سِنِينَ وَكُنْتُ أَلْعَبُ بِالْبَنَاتِ .
It was narrated that 'Aishah said:
"The Messenger of Allah married me when I was six, and consummated the marriage with me when I was nine, and I used to play with dolls."
Reference : Sunan an-Nasa'i 3378
In-book reference : Book 26, Hadith 183