It is narrated from Sayyiduna Jabir bin Samurah, may Allah be pleased with him, that the Messenger of Allah, peace and blessings be upon him, said: "There will be twelve leaders after me, all of them will be from the Quraysh."
Hadith Referenceسلسله احاديث صحيحه / الفتن و اشراط الساعة والبعث / 3548