صحيح البخاري Sahih Bukhari كتاب النكاح The Book of (The Wedlock)
بَابُ مَنْ بَنَى بِامْرَأَةٍ وَهْيَ بِنْتُ تِسْعِ سِنِينَ:

(60) Chapter. Whoever consummated his marriage with a lady of nine years of age.

1 hadith
Hadith 5158
حَدَّثَنَا قَبِيصَةُ بْنُ عُقْبَةَ ، حَدَّثَنَا سُفْيَانُ ، عَنْ هِشَامِ بْنِ عُرْوَةَ ، عَنْ عُرْوَةَ ، " تَزَوَّجَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ عَائِشَةَ وَهِيَ بِنْتُ سِتِّ سِنِينَ ، وَبَنَى بِهَا وَهِيَ بِنْتُ تِسْعٍ وَمَكَثَتْ عِنْدَهُ تِسْعًا " .
Narrated 'Urwa: The Prophet wrote the (marriage contract) with `Aisha while she was six years old and consummated his marriage with her while she was nine years old and she remained with him for nine years (i.e. till his death).
Hadith Reference Sahih Bukhari / The Book of (The Wedlock) / Hadith: 5158
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة