[3] He repudiated the faith and policies associated with earlier Lords of Alamut and went so far as to curse his ancestors and burn the books of Hasan ibn Sabah.
[7] : 405 He also instructed these scholars to teach his followers,[8] whom he commanded to observe the Sunni Sharia.
An alliance with the caliph of Baghdad meant greater resources for the self-defence of not only the Nizārī Ismā'īlī state, but also the broader Muslim world.
[15][16] His Sunni conformity was gradually reversed[17] and his community increasingly regarded itself openly as Ismaili Shiite[18] during the Imamate of his only surviving son[19] and successor, ʻAlāʼ ad-Dīn Muḥammad III,[20] who succeeded him at the age of 9 years old.
[21] However, his son upon succession was initially too young, so Ḥassan III's vizier controlled the state.