Hasan bin Ali bin Muhammad bin Jafar bin Al Husain bin Muhammad bin Sabah al-Hasan Sabah AD He was born in 1050 in the Persian city of Com to the family of Twalvarsia. His family moved to Roy in his early days. There he became interested in metaphysical subjects and studied subjects such as language, philosophy and mathematics at home under a teacher.At that time, Ray was one of the pioneers of Ismaili ideas. They were growing up in Persia and the eastern part of Egypt. The Ismailis of Persia did not have to struggle to gain popularity because of their support for the Fatimi Caliphate in Cairo and because the people were dissatisfied with the Saljuq rulers. It was during this time that Hassan Sabah became fascinated with Ismaili's activities and later became a member of it.He later became the father of the Nizari Ismaili Empire and was known as the Old Man of the Mountain during Moroccan polo (a different type of ball game). The fact that he was able to bring the people of Alborz