ENOfficial
It was narrated that 'Aishah said: "The Messenger of Allah (ﷺ) married me when I was seven years old, and he consummated the marriage with me when I was nine."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا مُحَمَّدُ بْنُ النَّضْرِ بْنِ مُسَاوِرٍ، قَالَ حَدَّثَنَا جَعْفَرُ بْنُ سُلَيْمَانَ، عَنْ هِشَامِ بْنِ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، قَالَتْ تَزَوَّجَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم لِسَبْعِ سِنِينَ وَدَخَلَ عَلَىَّ لِتِسْعِ سِنِينَ .
sunnah.com