The register links these spellings as one person.
411 – 491 AH / 1020/21 – 1097/98 CE No. 9 in the chain from the Prophet ﷺ العراق
A trustworthy and respected Baghdad scholar who heard from teachers in Baghdad, Mecca, Egypt and Ramla, among them Ibn Shadhan and Uthman ibn Dust, and travelled as far as the Maghrib. His sons, including the hadith scholar Abd al-Khaliq al-Yusufi, transmitted from him.
Each route above this person as the published certificates write it, with its own number; the smallest number is the highest chain.
no. 9 from the Prophet ﷺ · through أبو الحسن علي بن أحمد بن عمر بن حفص بن عبد الله الحمامي · حفص عن عاصم · on one certificate
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These names come from printed reference works, not from a document uploaded here. Each one names its source.