(99) باب مَا يُدْعَى النَّاسُ بِآبَائِهِمْ
Narrated Ibn `Umar:
Allah's Messenger (ﷺ) said, "A flag will be fixed on the Day of Resurrection for every betrayer, and it will be announced (publicly in front of everybody), 'This is the betrayal (perfidy) so-and-so, the son of soand- so."
Reference: Sahih al-Bukhari 6178
In-book reference: Book 78, Hadith 202
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 73, Hadith 197