What is the name of Hassan Khomeini's grandfather
Hassan Khomeini:  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". 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.
Ruhollah Khomeini