From Sahih Bukhari (Hadith 3786):
Narrated Anas bin Malik:Once an Ansari woman, accompanied by a son of hers, came to Allah's Messenger (ﷺ). Allah's Messenger (ﷺ) spoke to her and said twice, "By Him in Whose Hand my life is, you are the most beloved people to me
Reference: Bukhari 3786