Hussaini, will oversee the plans to open the million-dollar Ismaili Muslim community hub after his father's recent passing.

Prince Karim, 88, was given the title of “His Highness” by Queen Elizabeth in July 1957, two weeks after his grandfather, the Aga Khan III, unexpectedly made him heir to the family’s 1,300-year dynasty as leader of the Ismaili Muslim sect.

Aswan also holds a historical significance for the Aga Khan family as it pays homage to the Fatimid dynasty, from which the Ismaili Imams trace their lineage. With the burial of Aga Khan IV in Aswan, Egypt now holds the mausoleums of two Ismaili spiritual leaders.

Distant and specific are the nature of such things, and yet they tell any who read that the late Aga Khan IV was a breeder and racehorse owner of uncommon success. From the beginning of his tenure as owner of a great racing stable,

At the age of 20, Prince Karim Al-Hussaini inherited the reins of a Shia Muslim lineage and used his entrepreneurship to become one of the world’s richest hereditary rulers.

Canadian Prime Minister Justin Trudeau and Spain’s King Emeritus Juan Carlos were among the dignitaries who attended Saturday’s private ceremony for His Highness Prince Karim Al-Hussaini at the Ismaili community center. Portugal’s President Marcelo Rebelo de Sousa and the mayor of Lisbon were also among the mourners.

Hussaini, the Aga Khan IV and 49th Imam of Nizari Ismaili Muslims, died February 4. He was 88. The Aga Khan’s eldest son, Prince Rahim Al-Hussaini, has been designated the Aga Khan V.