Al-Layth ibn Sa'd

Al-Layth ibn Saʿd ibn ʿAbd Al-Raḥmān Al-Fahmi Al-Qalqashandī (الليث بن سعد بن عبد الرحمن الفهمي القلقشندي) was the chief representative, imam, and eponym of the Laythi school of Islamic Jurisprudence. He was regarded as the scholar of Egypt, even for decades following his death in 791 CE. He belongs to the Arabian tribe of Banu Fahm, who migrated to Egypt in the 7th century under the Umayyad Caliphate. He was born in 713 CE in Qalqashanda, a village in Egypt and so his nisba is Al-Qalqashandī. Despite his Arab origin, Al-Dhahabi mentioned in his encyclopaedia Siyar a`lam al-nubala[1] that his family claimed a Persian origin and this became a common reference for later writers [2]

Al-Layth ibn Sa'd
الليث بن سعد.png
Design of the name al-Layth ibn Sa'd
Born713 CE
Qalqashandah, Egypt
Died791 CE
Fustat, Egypt
EraIslamic Golden Age
Main interest(s)Hadith, Fiqh
Notable idea(s)Laythi madh'hab

He presided over the first trial of Elias of Heliopolis for apostasy in 779.[3]


  1. ^ " al-Ḏh̲ahabī." Encyclopaedia of Islam, Second Edition. Brill Online , 2012. Reference. Princeton University Library. 09 June 2012
  2. ^ Donzel, E. J. van (1 January 1994). Islamic Desk Reference. BRILL. p. 227. ISBN 90-04-09738-4. al-Layth b. Sad*: transmitter of traditions and a jurisconsult of Persian origin in Egypt; 713791. He is ranked unanimously among the leading authorities on questions of religious knowledge in the early years of the Islamic Empire.
  3. ^ Robert G. Hoyland (1997), Seeing Islam As Others Saw It: A Survey and Evaluation of Christian, Jewish and Zoroastrian Writings on Early Islam, Darwin Press, pp. 363–365.

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