Sahih Muslim , Book 8, Hadith 3311 (USC-MSA) ⓘ

'A'isha (Allah be pleased with her) reported that Allah's Apostle married her when she was seven years old, and he was taken to his house as a bride when she was nine, and her dolls were with her; and when he (the Holy Prophet) died she was eighteen years old.

وَحَدَّثَنَا عَبْدُ بْنُ حُمَيْدٍ، أَخْبَرَنَا عَبْدُ الرَّزَّاقِ، أَخْبَرَنَا مَعْمَرٌ، عَنِ الزُّهْرِيِّ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم تَزَوَّجَهَا وَهْىَ بِنْتُ سَبْعِ سِنِينَ وَزُفَّتْ إِلَيْهِ وَهِيَ بِنْتُ تِسْعِ سِنِينَ وَلُعَبُهَا مَعَهَا وَمَاتَ عَنْهَا وَهِيَ بِنْتُ ثَمَانَ عَشْرَةَ ‏.‏

Narrated 'A'isha : 'A'isha (Allah be pleased with her) reported that Allah's Apostle married her when she was six years old, and he (the Holy Prophet) took her to his house when she was nine, and when he (the Holy Prophet) died she was eighteen years old

وَحَدَّثَنَا يَحْيَى بْنُ يَحْيَى، وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ، وَأَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ وَأَبُو كُرَيْبٍ قَالَ يَحْيَى وَإِسْحَاقُ أَخْبَرَنَا وَقَالَ الآخَرَانِ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنِ الأَعْمَشِ، عَنْ إِبْرَاهِيمَ، عَنِ الأَسْوَدِ، عَنْ عَائِشَةَ، قَالَتْ تَزَوَّجَهَا رَسُولُ اللَّهِ صلى الله عليه وسلم وَهْىَ بِنْتُ سِتٍّ وَبَنَى بِهَا وَهْىَ بِنْتُ تِسْعٍ وَمَاتَ عَنْهَا وَهْىَ بِنْتُ ثَمَانَ عَشْرَةَ ‏.‏