Also written as: أبي يعقوب يوسف الأزرق، أبي يعقوب يوسف بن عمرو بن يسار الأزرق، أبو يعقوب يوسف بن عمرو بن يسار الأزرق
The register links these spellings as one person.
d. 240 AH / 854–855 CE No. 6 in the chain from the Prophet ﷺ مصر
Years the certificates print: ت 240 (1)
A reader of Medinan origin who settled in Egypt; he was Warsh's best-known and most exact student, staying with him for years and succeeding him as teacher in Egypt. Isma'il ibn Abd Allah al-Nahhas, Muhammad ibn Sa'id al-Anmati, Abu Bakr ibn Sayf and Muwas ibn Sahl read with him. He died around 240 AH.
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.
