Volume 8 · Book 78 · Hadith 640
Narrated Anas bin Malik: An Ansari woman came to the Prophet in the company of her children, and the Prophet said to her, "By Him in Whose Hand my soul is, you are the most beloved people to me!" And he repeated the statement thrice.
— Sahih Bukhari, Volume 8, Book 78: Oaths and Vows, Hadith #640