(74) باب قُدُومُ الأَشْعَرِيِّينَ وَأَهْلِ الْيَمَنِ
Narrated Abu Musa:
My brother and I came from Yemen (to Medina) and remained for some time, thinking that Ibn Masud and his mother belonged to the family of the Prophet (ﷺ) because of their frequent entrance (upon the Prophet) and their being attached to him.
Reference: Sahih al-Bukhari 4384
In-book reference: Book 64, Hadith 407
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 667