studied astronomy and mathematics with Mullā Aḥmad ibn Shaykh Jamāl al-Dīn, a descendent of Khwāja `Abdallāh al-Anṣārī; see O. Mü., III, p. 270-272; some connection also with Jaghmīnī?; fl. 955 H. when completed translation into Turkish of Qushjī’s R. fī al-hay'a; also known as Kātibī (al-Rūmī)