BUKHARI Volume 9, Book 89, Number 329:
Narrated Jabir bin Samura:
I heard the Prophet saying, "There will be twelve Muslim rulers (who will rule all the Islamic world)." He then said a sentence which I did not hear. My father said, "All of them (those rulers) will be from Quraish."
MUSLIM Book 020, Number 4477 & 4478 & 4480 & 4481 & 4482
It has been narrated on the authority of Jabir b. Samura who said: I joined the company of the Holy Prophet (may peace be upon him) 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.
Abu Dawud Book 36, Number 4266:
Narrated Jabir ibn Samurah:
The Prophet (peace_be_upon_him) said: The religion will continue to be established till there are twelve caliphs over you, and the whole community will agree on each of them. I then heard from the Prophet (peace_be_upon_him) some remarks which I could not understand. I asked my father: What is he saying: He said: all of them will belong to Quraysh.
NAMES OF 12 BLESSED IMAMS
These are the names of 12 Blessed Imams, If someone don’t consider them as their Imam even though they are very highly respectable and have a very high status; of course higher than any other person of the Muslim ummah because at least they are directly descendents of our Holy Prophet Muhammad (PBUH & HF) through Hazrat Ali (AS) and Hazrat Fatima (AS).
1- Hazrat Imam Ali Ibn Abu Talib al-Murtaza (AS)
2- Hazrat Imam Hasan Ibn Ali al-Mujtaba (AS)
3- Hazrat Imam Hussain Ibn Ali al-Shaheed (AS)
4- Hazrat Imam Ali Ibn Husssain Zain ul Abedin al-Sajjad (AS)
5- Hazrat Imam Muhammad Ibn Ali al-Baqir (AS)
6- Hazrat Imam Ja'far Ibn Muhammad al- Saddiq (AS)
7- Hazrat Imam Musa Ibn Ja'far al-Kazim (AS)
8- Hazrat Imam Ali Ibn Musa al-Rida (AS)
9- Hazrat Imam Muhammad Ibn Ali Taqi al-Jawad (AS)
10- Hazrat Imam Ali Ibn Muhammad NAqi al-Hadi (AS)
11- Hazrat Imam Hassan Ibn Ali al-Askari (AS)
12- Hazrat Imam Muhammad Ibn Hasan al-Mahdi (AS)