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.

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.

The late Prince Karim Al-Hussaini Aga Khan IV, who died on Tuesday in Lisbon after nearly seven decades as the spiritual leader of the global Ismaili Muslim community, will be buried in Egypt on Sunday,

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

The Aga Khan IV has been laid to rest in Egypt in a private ceremony. The governor of Aswan welcomed Prince Karim’s family at the southern Egyptian’s provinces airport ahead of the burial service on Sunday.

Rahim Al-Hussaini was named Wednesday as the new Aga Khan, spiritual leader of the world’s millions of Ismaili Muslims, following the death of his father.

The accession ceremony of  Prince Rahim al-Hussaini Aga Khan V as the 50th hereditary Imam of the Shia Ismaili Muslims was held on Tuesday, February 11, in Lisbon, Portugal. The private religious ceremony at the Diwan of the Ismaili Imamat,

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.