a Turk of the Seljuq house; he possessed vast dominions and had many celebrated exploits. His full biography is given in History of Islam.
In the same year there also died the king, the commander of commanders, Nāṣir al-Dawlah Ḥusayn ibn al-Ḥasan ibn Ḥusayn, son of the ruler of Mosul, Nāṣir al-Dawlah ibn Ḥamdān⦗1⦘—one of the great champions. He waged numerous wars and achieved remarkable feats. In Egypt he revived the Sunnah, laboring to restore Abbasid authority and to subdue the ʿUbaydiyyah (Fatimids). All the means were at his disposal: al-Mustanṣir was left out in the cold and the leading figures were wiped out, until a band of Turks rose against him and killed him. He had once served as deputy governor of Damascus, and his father was Sayf al-Dawlah.
118 – al-Ḥafṣī, Abū Sahl Muḥammad ibn Aḥmad ibn ʿUbayd Allāh
The senior shaykh and hadith authority, Abū Sahl Muḥammad ibn Aḥmad ibn ʿUbayd Allāh al-Marwazī, known as al-Ḥafṣī, transmitted Ṣaḥīḥ al-Bukhārī from Abū al-Haytham al-Kushmīhānī, the disciple of al-Firabrī. He taught the collection in Marw and in Nishapur.
He was a blessed man from among the common folk. Niẓām al-Mulk honored him, studied under him, and bestowed upon him a generous gift.
Among those who related hadith from him were Shaykh Abū Ḥāmid al-Ghazālī, Ismāʿīl ibn Abī Ṣāliḥ the mu’adhdhin, ʿAbd al-Wahhāb ibn Shāh al-Shādhiyākhī, Wajīh ibn Ṭāhir al-Shahhāmī, and Hibat al-Raḥmān, grandson of al-Qushayrī⦗2⦘, as well as many others.
Abū Saʿd al-Samʿānī said: “He did not relate the Ṣaḥīḥ in Marw; he merely carried it …”