Sahih Muslim , Book 20, Hadith 4477 (USC-MSA) ⓘ

It has been narrated on the authority of Jabir b. Samura who said: I joined the company of the Prophet with my father and I heard him say: This Caliphate will not end until there have been twelve Caliphs among them. The narrator said: Then he (the Holy Prophet) said something that I could not follow. I said to my father: What did he say? He said: He has said: All of them will be from the Quraish.

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا جَرِيرٌ، عَنْ حُصَيْنٍ، عَنْ جَابِرِ بْنِ سَمُرَةَ، قَالَ سَمِعْتُ النَّبِيَّ صلى الله عليه وسلم يَقُولُ ح وَحَدَّثَنَا رِفَاعَةُ بْنُ الْهَيْثَمِ الْوَاسِطِيُّ، - وَاللَّفْظُ لَهُ - حَدَّثَنَا خَالِدٌ، - يَعْنِي ابْنَ عَبْدِ اللَّهِ الطَّحَّانَ - عَنْ حُصَيْنٍ، عَنْ جَابِرِ بْنِ سَمُرَةَ، قَالَ دَخَلْتُ مَعَ أَبِي عَلَى النَّبِيِّ صلى الله عليه وسلم فَسَمِعْتُهُ يَقُولُ ‏"‏ إِنَّ هَذَا الأَمْرَ لاَ يَنْقَضِي حَتَّى يَمْضِيَ فِيهِمُ اثْنَا عَشَرَ خَلِيفَةً ‏"‏ ‏.‏ قَالَ ثُمَّ تَكَلَّمَ بِكَلاَمٍ خَفِيَ عَلَىَّ - قَالَ - فَقُلْتُ لأَبِي مَا قَالَ قَالَ ‏"‏ كُلُّهُمْ مِنْ قُرَيْشٍ ‏"‏ ‏.‏