Ahl al-Bayt
Below is a simplified family tree of Husayn ibn Ali. For the ancestors of ibn Ali see the family tree of Muhammad and the family tree of Ali. People in "italics" are considered by the majority of Shia and Sunni Muslims to be "Ahl al-Bayt" ("People of the House"). Twelver Shia also see the 4th to 12th Imamah as Ahl al-Bayt.