Abu Abdallah Ja'far ibn Abd al-Wahid ibn Ja'far ibn Sulayman ibn Ali al-Hashimi (Arabic:أبو عبد الله جعفر بن عبد الواحد بن جعفر بن سليمان بن علي الهاشمي)^[1] (died 871/2?) was aChief judge of theAbbasid Caliphate, from 854 to 863/4.

He was a minor member of the Abbasid dynasty, being a descendant ofSulayman ibn Ali, the uncle of the caliphsal-Saffah andal-Mansur.^[2] Although his jurisdictional background is obscure,^[3] he was appointed as chief judge (qadi al-qudat) byal-Mutawakkil in July 854 as a replacement forYahya ibn Aktham.^[4] His tenure in office is notable for his participation in theArab–Byzantine prisoner exchange of 856, during whichal-Hasan ibn Muhammad ibn Abi al-Shawarib acted as his deputy inSamarra.^[5] He remained in office until 863 or 864, when he was dismissed and exiled toBasra after the generalWasif al-Turki accused him of engaging with theshakiriyya troops in a suspicious manner.^[6] He was eventually allowed to return to the capital, where in 866 he unsuccessfully attempted to settle a violent dispute between theTurkish andMaghariba army regiments.^[7] In 870 he led the prayers at the funeral of the caliphal-Muhtadi.^[8] He died in 871/2, or in 881/2 or 882/3 according to alternative accounts.^[9]

• Al-Ḫaṣṣāf

• Gordon, Matthew S.; Robinson, Chase F.; Rowson, Everett K.; et al., eds. (2018).The Works of Ibn Wadih al-Ya'qubi: An English Translation. Vol. 3. Leiden and Boston: Brill.ISBN 978-90-04-35621-4.
• Ibn Hazm, Abu Muhammad 'Ali ibn Ahmad ibn Sa'id al-Andalusi (1982). Harun, 'Abd al-Salam Muhammad (ed.).Jamharat Ansab al-'Arab (in Arabic) (5th ed.). Cairo: Dar al-Ma'arif.
• Ibn Khallikan, Shams al-Din Abu al-'Abbas Ahmad ibn Muhammad (1871).Ibn Khallikan's Biographical Dictionary. Vol. IV. Trans. Baron Mac Guckin de Slane. Paris: Oriental Translation Fund of Great Britain and Ireland.
• Al-Khatib al-Baghdadi, Abu Bakr Ahmad ibn Ali ibn Thabit (2001). Ma'ruf, Bashshar Awwad (ed.).Tarikh Madinat al-Salam (in Arabic). Vol. 8. Beirut: Dar al-Gharb al-Islami.
• Al-Mas'udi, Ali ibn al-Husain (1896).Le livre de l'avertissement et de la revision (in French). Translated byBaron Carra de Vaux. Paris: Imprimerie Nationale.
• Melchert, Christopher (1997).The Formation of the Sunni Schools of Law, 9th-10th Centuries C.E. Leiden: Brill.ISBN 90-04-10952-8.
• Melchert, Christopher (1996). "Religious Policies of the Caliphs from al-Mutawakkil to al-Muqtadir: AH 232-295/AD 847-908".Islamic Law and Society.3 (3):316–342.doi:10.1163/1568519962599069.JSTOR 3399413.
• Yarshater, Ehsan, ed. (1985–2007).The History of al-Ṭabarī (40 vols). SUNY Series in Near Eastern Studies. Albany, New York: State University of New York Press.ISBN 978-0-7914-7249-1.

• 9th-century people from the Abbasid Caliphate
• Abbasids
• 9th-century deaths
• Abbasid people of the Arab–Byzantine wars
• Chief qadis of the Abbasid Caliphate
• 9th-century Arab people

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