Al-ʿAmīdī also composed his celebrated treatise al-Jusṭ and the book al-Irshād. A number of scholars produced commentaries on the latter, among them: the judge Shams al-Dīn Ahmad al-Khuʾī, al-Badr al-Marāghī (the Tall), Awḥad al-Dīn al-Dūnī, and Najm al-Dīn ibn al-Marandī.
Many students completed their studies under al-ʿAmīdī; one of them was Niẓām al-Dīn Ahmad, son of Shaykh Jamāl al-Dīn Maḥmūd al-Ḥaṣīrī, a man of pleasant character and humility.
He died in Bukhara in Jumada al-Ākhirah, 615 AH—and his field of learning is not the sort that furnishes provisions for the journey to the Hereafter.
54 – al-Qāhir Masʿūd ibn Arslān Shāh ibn Masʿūd
The ruler of Mosul, al-Malik al-Qāhir, ʿIzz al-Dīn, Abū al-Fatḥ Masʿūd, son of the sultan Arslān Shāh ibn Masʿūd ibn Mawdūd ibn Zangī.
He succeeded his father to the sultanate in 607 AH while still beardless, and he was distinguished for generosity and forbearance.
He died in Rabīʿ al-Ākhir, 615 AH, at the age of twenty-five.
Ibn al-Athīr says in his History: “A fever overtook him, then subsided, and then returned accompanied by vomiting…”