57 – 114 AH / 676/77 – 732/33 CE No. 4 in the chain from the Prophet ﷺ الحجاز
A leading Successor from the Prophet's family, born in Medina; he learned from his father 'Ali Zayn al-'Abidin, his son Ja'far al-Sadiq learned from him, and he died in Medina.
Each route above this person as the published certificates write it, with its own number; the smallest number is the highest chain.
no. 4 from the Prophet ﷺ · through أبيه زين العابدين بن الحسين · خلف وخلاد عن حمزة · on one certificate
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