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.

His Highness the Aga Khan, the 49th hereditary spiritual leader of the Shia Ismaili Muslims and the founder of Aga Khan Development Network, is dead. Prince Karim Al-Hussaini Aga Khan IV died in Lisbon, Portugal, on Tuesday, February 4, surrounded by his family.

Hussaini, Aga Khan IV, 49th hereditary Imam of the Shia Ismaili Muslims and direct descendant of the Prophet Muhammad (peace be upon him), passed away peacefully

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