The respected Shaykh of traditions, Muntajabuddin Ali bin
Ubaidullah bin Hasan bin Husain bin Hasan bin Husain, brother of Saduq (r.a.),
author of Arbaeen, famous for the book of Muntajib, which is the
account of modern scholars, from the time of Shaykh Toosi till his own period.
And he said: Thairbillah bin Mahdi bin Thairbillah Husaini Jaballi belonged to
the Zaidiyyah sect and was a claimant of Zaidiyya Imamate. He staged an
uprising in Gilan. At that time he had a vision and he embraced the Imamite
faith. He also claimed to have seen Imam Mahdi (a.s.) and has narrated
traditions from him.[1]NAJMUS SAAQIB Incident Thirty-four: Thair Billah
The respected Shaykh of traditions, Muntajabuddin Ali bin
Ubaidullah bin Hasan bin Husain bin Hasan bin Husain, brother of Saduq (r.a.),
author of Arbaeen, famous for the book of Muntajib, which is the
account of modern scholars, from the time of Shaykh Toosi till his own period.
And he said: Thairbillah bin Mahdi bin Thairbillah Husaini Jaballi belonged to
the Zaidiyyah sect and was a claimant of Zaidiyya Imamate. He staged an
uprising in Gilan. At that time he had a vision and he embraced the Imamite
faith. He also claimed to have seen Imam Mahdi (a.s.) and has narrated
traditions from him.[1]