Prince Karim Husseini <a href="https://en.wikipedia.org/wiki/Aga_Khan_IV" id="mwARw" rel="mw:WikiLink" title="Aga Khan IV">Aga Khan IV</a> inherits the office of Imamat as the 49th Imam of Shia Imami <a href="https://en.wikipedia.org/wiki/Isma'ilism" id="mwAR0" rel="mw:WikiLink" title="Isma'ilism">Ismai'li</a> worldwide, after the death of Sir Sultan Mahommed Shah <a href="https://en.wikipedia.org/wiki/Aga_Khan_III" id="mwAR4" rel="mw:WikiLink" title="Aga Khan III">Aga Khan III</a>.