Prince Karim, Aga Khan IV, was the spiritual leader to 20 million Nizari Ismaili Muslims and a major investor in European racing and owned a number of prestigious equine and bloodstock properties in France and Ireland.

The Aga Khan, who became the spiritual leader of the world’s millions of Ismaili Muslims at age 20 as a Harvard undergraduate and poured a material empire built on billions of dollars in tithes into building homes,

The death of the Aga Khan, the spiritual leader of the world’s millions of Ismaili Muslims, struck a deep chord with Houston’s sizable Ismaili Muslim community Tuesday. His Highness Prince Karim Al-Hussaini,

"Leaders and staff of the Aga Khan Development Network offer our condolences to the family of His Highness and to the Ismaili community worldwide," read the statement from the net