Balyānī, Amīn al-Dīn Muḥammad b. ʿAlī b. Masʿūd (d. 11 Dhū al-Qaʿda 745/16 March 1345), was a scholar and Sufi who lived in the era of the Īnjū dynasty of Fārs. The earliest and most important source covering his biography is Miftāḥ al-hidāya wa miṣbāḥ al-ʿināya by his disciple Maḥmūd b. ʿUthmān. Amīn al-Dīn’s familial lineage stretches back through ten generations to the well-known Sufi Shaykh, Abū ʿAlī al-Daqqāq (q.v., d. ca. 405/1015) (Maḥmūd b. ʿUthmān, Miftāḥ al-hidāya, 6; see also Ibn Ḥajar, 6/7), but his spiritual lineage, through h…