Our 22nd Holy Imam Kahir was born in Alamut. His complete name was Al-Kahir biquwwatellah ibne Mohtadi ibne Hadi ibne Nizar. He ascended to the Masnad of Imamat in 552 A.H in Alamut . During this time Dai Muhammad bin Kiya Buzurg Umid announced on a mimbar to all Ismailis in Alamut and other Ismaili forts that the Daur-us-Satr was now ending and the Daur-us-Kashf was coming soon when as per Hasan bin Sabah the Caliphat and Imamat would be combined under our Imams

Our 20th Pir Sayyed Islamdin (Ray) was born in Subzwar in Iran in 416 A.H. on the 21st Zilhaj. He was also famously known in the Islamic world as "Sayyed Salamuddin". Pir Islamdin travelled to Alamut during the reign of Imam Kahir and gave his oath of allegiance to the Holy Imam. Pir Islamdin served as Pir for 25 years and passed away in 575 A.H. He had three sons named Abdul Hadi, Sayyed Jalaldin and Sayyed Salahuddin.