Sahih Bukhari
Merits of the Helpers in Madinah (Ansaar)
Volume: 005 / Book Number: 058 / Hadith Number: 130
Narrated Anas bin Malik:
Once an Ansari woman, accompanied by a son of hers, came to Allah's Apostle. Allah's Apostle spoke to her and said twice, "By Him in Whose Hand my life is, you are the most beloved people to me."