ibn Aḥmad ibn Muḥammad ibn Jaʿfar al-Kinānī, the Egyptian Shāfiʿī, better known as Ibn al-Haddād.
He authored the book al-Furūʿ on the school of law.
He was born in 264 AH.

He heard ḥadith from Abū al-Zanbaʿ Rūḥ ibn al-Faraj, Abū Yazīd Yūsuf ibn Yazīd al-Qarāṭīsī, Muḥammad ibn ʿAqīl al-Firyābī, Muḥammad ibn Jaʿfar ibn al-Imām, Abū ʿAbd al-Raḥmān al-Nasāʾī, Abū Yaʿqūb al-Manjaniqī, and many others besides.

He kept close company with al-Nasāʾī for a long time, completed his training under him, relied on him alone, and said, “I have taken him as my proof between me and Allah, Exalted is He.” In knowledge he was an ocean that no buckets could muddy. He possessed a ready tongue, eloquence, keen insight into ḥadith and its transmitters, a flawless command of Arabic, and an unmatched reach in fiqh, all coupled with devotion, abundant worship, supererogatory acts, wide-spread renown, and great esteem in people’s hearts.

Ibn Zulāq—one of his companions—said: “He was God-fearing and devoted, proficient in many disciplines: Qurʾanic studies, ḥadith, transmitter criticism, kunyas (patronymics), the disagreements of the scholars, grammar, language, poetry, and history. He completed a recitation of the Qurʾan every day and fasted one day and broke fast the next. He was one of the adornments of Egypt.” He went on to say: “He had a sharp tongue, wore fine clothes and rode fine mounts, and no one ever reproached him for a word or a deed, and he was—”