Standing in the register Known
Also written as: يوسف بن يعقوب بن خالد بن مهران أبي بكر الواسطي، أبي بكر يوسف بن يعقوب الواسطي
The register links these spellings as one person.
No. 7 in the chain from the Prophet ﷺ العراق Another source gives: 313 AH / 925–926 CE
Years the certificates print: 218-314هـ (1)
Yusuf ibn Ya'qub al-Wasiti, known as al-Asamm, was imam of the great mosque of Wasit and held the highest chain of his time in the reading of Asim. Born in Sha'ban 218 AH, he read with Yahya ibn Muhammad al-Ulaymi and Shu'ayb ibn Ayyub al-Sarifini. Abu Bakr al-Naqqash, al-Hasan al-Mutawwi'i, Ibrahim ibn Abd al-Rahman al-Baghdadi and Ali ibn al-Husayn al-Ghada'iri read with him. He died in Dhu al-Qa'da 313 AH (al-Khatib says 314).
Each route above this person as the published certificates write it, with its own number; the smallest number is the highest chain.
Read to these teachers
These names come from printed reference works, not from a document uploaded here. Each one names its source.