كتاب النكاح
26
The Book of Marriage
(29)
Chapter: A Man Marrying Off His Young Daughter
(29)
باب إِنْكَاحِ الرَّجُلِ ابْنَتَهُ الصَّغِيرَةَ ‏.‏
It was narrated from 'Aishah that the Messenger of Allah married her when she was six years old, and consummated the marriage with her when she was nine.

أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا أَبُو مُعَاوِيَةَ، قَالَ حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ، عَنْ أَبِيهِ، عَنْ عَائِشَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم تَزَوَّجَهَا وَهِيَ بِنْتُ سِتٍّ وَبَنَى بِهَا وَهِيَ بِنْتُ تِسْعٍ ‏.‏
GradeSahih (Darussalam)
Reference : Sunan an-Nasa'i 3255
In-book reference : Book 26, Hadith 60
English translation : Vol. 4, Book 26, Hadith 3257