Hasan ibn Ali

Grandson of Muhammad and the second Shia Imam (625–670)

Hasan ibn Ali (Arabic: حسن ابن علي, romanized: Ḥasan ibn ʿAlī; c. 625 – 2 April 670) was an Alid political and religious leader. The eldest son of Ali and Fatima and a grandson of the Islamic prophet Muhammad, Hasan briefly ruled as caliph from January 661 until August 661. He is considered as the second Imam in Shia Islam, succeeding Ali and preceding his brother Husayn.

From Wikipedia, under CC BY-SA. More on occurri.