Erzurumlu Sayyid Feyzullah (Fayḍ Allāh) Efendi (1048-1115/1639-1703) was an Ottoman şeyhülislam ( shaykh al-Islām ) and muallim-i sultani ( muʿallim-i sulṭānī , imperial preceptor). He was also a nakibüleşraf ( naqīb al-ashrāf , chief of the descendants of the Prophet), and one of the few such hierarchs to meet a violent end. He was born in Erzurum, in Rebiülahir (Rabīʿ II) 1049/1639, into a family that claimed descent from the Prophet Muḥammad. His father, the Erzurum müfti ( muftī ) Mehmed b. Mehmed (Meḥmed b. Meḥmed), and other local dignitaries