are reliable; nonetheless the report has a hidden flaw: Ibn Shihab did not hear it from Sahl.
Ibn al-Mubarak journeyed to the Two Sanctuaries, to Syria, Egypt, Iraq, al-Jazirah, and Khurasan, and he narrated hadith in many places.
Qaʿnab ibn al-Muḥarrir said, “Ibn al-Mubarak was a client of Banu ʿAbd Shams, from the tribe of Tamim.”⦗1⦘
Al-Bukhari said, “His clientage was to Banu Ḥanzalah.”
Al-ʿAbbas ibn Muṣʿab, in the History of Marw, wrote: “The mother of ʿAbd Allah ibn al-Mubarak was from Khwarazm, and his father was a Turk. He had been the slave of a merchant in Hamadhan from Banu Ḥanzalah. Whenever ʿAbd Allah came to Hamadhan, he would humble himself before his parents and treat them with great respect.”
Abu al-Ghanāʾim Muslim ibn Muḥammad al-Qaysi—and others—conveyed to us in writing; Abu al-Yaman al-Kindi informed us; Abu Manṣur al-Shaybani reported to us; Abu Bakr al-Khatib narrated to us; Abu ʿAbd Allah Ahmad ibn Ahmad al-Sībi told me; Muḥammad ibn Ahmad ibn Ḥammād ibn Sufyan in Kufa told us; Abu al-ʿAbbas Ahmad ibn Muḥammad ibn Saʿid told us; ʿAbd Allah ibn Ibrāhīm ibn Qutaybah told us; Muḥammad ibn ʿAbd al-ʿAziz ibn Abi Rizmah told us, saying: I heard my father say, “I heard Ibn al-Mubarak say:
‘Abu Hanifah looked at my father and remarked, “His mother has fulfilled…’”