His life
He was born to the 24th Imam and a Sunni mother. Jalal al-Din Hassan claimed to have converted to Sunni Islam, which was accepted by Abbasid Caliph al-Nasir and other Muslim princes and he became known as ''naw-musalman'' ( fa, نومسلمان, "Muslim convert"). 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 Hassan-i Sabbah, Hasan ibn Sabah. He invited many Sunni scholars and jurists from across Khurasan, Qazvin and Iraq to visit Alamut Castle, and even invited them to inspect the library and remove any books they found to be objectionable. He also instructed these scholars to teach his followers, whom he commanded to observe the Sunni Sharia. However, his conversion has been interpreted by some as an act of taqiyya. During his lifetime, he maintained friendly relations with the `Abbasid Caliph al-Nasir. 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. He also personally led his army to assist Uzbek, ruler of the Eldiguzids, against a rebel. He died in 1221, possibly the result of poisoning. He was married to four Sunni women from the daughters of the princes of Gilan, after he sought the princes' permission, who then asked the Abbasid Caliph, who approved. They, along with some of Ḥassan III's kinsfolk, including his sister, were executed by his son's vizier under allegations of poisoning Ḥassan III. His Sunni conformity was gradually reversed and his community increasingly regarded itself openly as Ismaili Shia Islam, Shiite during the Imamate of his only surviving son and successor, ‘Alā’ ad-Dīn Muḥammad III, ʻAlāʼ ad-Dīn Muḥammad III, who succeeded him at the age of 9 years old. However, his son upon succession was initially too young, so Ḥassan III's vizier controlled the state.See also
* Alamut * Alamut Castle * Lambasar Castle * Nizārī Ismā'īlī state * List of Ismaili Imams * Nur al-Din Muhammad II, Nūru-d-Dīn Muḥammad II * Fatimids * Isma'ilism * Nizari * Aga KhanFurther reading
* John Malcolm, ''Jalālu-d-Dīn Ḥassan III'' in "History of Persia", 1st vol., p. 405, London, 1815.References
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