Hadith 38

Sahih Bukhari

Book 28: Penalty of Hunting while on Pilgrimage

Chapter 25

The Hajj of boys (children etc.)

باب حَجِّ الصِّبْيَانِ

Sahih al-Bukhari 1858
حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ يُونُسَ، حَدَّثَنَا حَاتِمُ بْنُ إِسْمَاعِيلَ، عَنْ مُحَمَّدِ بْنِ يُوسُفَ، عَنِ السَّائِبِ بْنِ يَزِيدَ، قَالَ حُجَّ بِي مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم وَأَنَا ابْنُ سَبْعِ سِنِينَ‏.‏
As-Sa'ib bin Yazid:

(While in the company of my parents) I was made to perform Hajj with Allah's Messenger (ﷺ) and I was a seven-year-old boy then. (Fath-ul-Bari, p.443, Vol.4)