What is the name of Hassan Khomeini's grandfather
Hassan Khomeini Hassan Khomeini (born 23 July 1972, Persian: سيد حسن خمينی‎ ‎ ) is an Iranian cleric. He has been called "the most prominent" grandchild of Ruhollah Khomeini, who had 15 grandchildren in total and the one "who many think could have a promising political future".
Muhammad Hossein Naini Mohammad Hussein Naini Qaravi (Persian: محمد حسین نائینی غروی‎ ‎ ) was Iranian Twelver Shia Marja'. His father Mirza Abdol Rahim and grandfather Haji Mirza Saeed, both one were Sheikhs of Nain and Mohammad Hussein proved himself the most competent student of Ayatollah Kazem Khorasani. Ayatollah Naini is considered to be the most famous theoretician of Iran’s Constitutional Revolution. He died in 1936 and was buried next to shrine of Imam Ali in Iraq. Among his works, notable references are his Dubios Habit, Vassilat'un Nijat, and Ressalat la Zarar. 50th death anniversary of Ayatollah Mirza Mohammed Hussein Naini was memorialized by issue of Stamps Tickets, in Iran, in 1987.