What is the name of Hassan Khomeini's grandfather
Ruhollah Khomeini Sayyid Ruhollah Mūsavi Khomeini (Persian: سید روح‌الله موسوی خمینی‎ ‎ ] ; 24 September 1902 – 3 June 1989), known in the Western world as Ayatollah Khomeini, was an Iranian Shia Muslim religious leader, philosopher, revolutionary, and politician. He was the founder of the Islamic Republic of Iran and the leader of the 1979 Iranian Revolution that saw the overthrow of the 2500 years of Persian monarchy and Mohammad Reza Pahlavi, the last Shah of Iran. Following the revolution, Khomeini became the country's Supreme Leader, a position created in the constitution of the Islamic Republic as the highest-ranking political and religious authority of the nation, which he held until his death. He was succeeded by Ali Khamenei on 4 June 1989.
Mohammad Aghazadeh Khorasani At 30 years old he attended master classes at that time the holy city of Najaf, at the behest of his father, went to Mashhad. He lived for several years in Najaf, was able to use large religious scholars such as Mohammad-Kazem Khorasani uses. They then came to Mashhad, to teach jurisprudence. The most important of these students could be trained Mojtaba Qazvin, his brother Sheikh Hashem Qazvin noted. During the years he lived in Mashhad, in addition to political activities, teaching and training students in the field; he was also head of Khorasan Seminary.