Aga Khan IV, Prince Shah Karim Al Hussaini, the spiritual leader of Nizari Ismaili Muslims worldwide, is dead. He passed away in Lisbon at the age of 88, his development network said on Tuesday.

His Highness Prince Karim Al-Hussaini ... eldest son of Prince Aly Khan and Joan Yarde-Buller and the grandson and successor ...

Prince Karim Al-Hussaini became the Aga Khan IV and 49th hereditary iman in his family's 1,300-year-old dynasty when he was a 20-year-old student at Harvard. His grandfather, the Aga Khan III ...

Prince Rahim Al-Hussaini Aga ... Sir Sultan Mahomed Shah Aga Khan III and his wife, Mata Salamat,” a press release from AKDN noted. The AKDN, founded by the late Prince Karim Aga Khan IV ...