“…today the Ismailis are the only Shia community who, throughout history, have been led by a living, hereditary Imam in direct descent from the Prophet.”
– Imam Shāh Karīm al-Ḥusaynī Āgā Khān IV

Click here to read: http://ismailignosis.com/2014/07/05/what-is-shia-islam-a-visual-chart-of-different-shia-communities/