LISBON, Portugal (AP) — 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 Aga Khan is considered by his followers to be a direct descendant of the Prophet Muhammad and is treated as a head of state.

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 Aga Khan IV, who was the spiritual leader of the Ismaili Muslims and renowned philanthropist, died in Lisbon at 88. Qatar has joined the global community in mourning