H 192 - Narrated to us my father and Muhammad bin Hasan - May Allah be pleased with them – they said: Narrated to us Saad bin Abdullah and Abdullah bin Ja’far Himyari, all of them from Muhammad bin Isa bin Ubaid from Yunus bin Abdur Rahman from Husain bin Thuwair bin Abi Fakhta from Abi Abdullah عليه السلام that he said: “The Imamate will never be diverted between two brothers after Hasan and Husain; it proceeds from Ali Ibn Husain, as Allah, the Blessed and Sublime, said: “Some of those who are bound by blood are closer (to each other) than others in the Book of Allah.”