Nothing is known about the life of Sayf ibn ʿUmar al-Tamīmī, except that he is associated with southern Iraq, and was a writer of historical works. These were used as a main source by Abū Jaʿfar al-Ṭabarī for his Taʾrīkh al-rusul wa-l-mulūk, although their accuracy and objectivity were doubted from early times.
Primary Sources of Information
Ibn al-Nadīm, Fihrist, p. 106
Secondary Sources of Information
E. Landau-Tasseron, ‘Sayf ibn …