He was born eight days before Shaban of the year two hundred and fifty six. His representative was Uthman Ibn Saeed; and when he died, Uthman Ibn Saeed appointed Abu Ja’far Muhammad Ibn Uthman; and Abu Ja’far appointed Abul Qasim Husain Ibn Rauh; and Abul Qasim appointed Abul Hasan Ali Ibn Muhammad Saymoori. And when it was the time of final departure of Saymoori, he was asked to appoint a successor. He said: “To Allah belongs the Order and He is its Sustainer.” The full occultation is the one that began after the demise of Saymoori.