1/4, 1982, pp. 1–36. JSTOR, https://www.jstor.org/stable/1569796?seq=1#metadata_info_tab_contents Page 3: “Diya' al-Din Khalid was born in Qaradagh, a town in the district of Shahrizur in Iraqi-Kurdistan. His family belonged to the Jaf tribe that claimed descent from the 3rd Caliph 'Uthman.