Sahih Bukhari
Good Manners and Form (Al-Adab)
Volume: 008 / Book Number: 073 / Hadith Number: 25
Narrated Abu Qatada:
The Prophet came out towards us, while carrying Umamah, the daughter of Abi Al-As (his grand-daughter) over his shoulder. He prayed, and when he wanted to bow, he put her down, and when he stood up, he lifted her up.