Jacob of Nisibis - Wikipedia
https://en.wikipedia.org/wiki/Jacob_of_Nisibis
Jacob of Nisibis was a Syriac bishop still venerated as a saint. He was the second bishop of Nisibis after Babu (d. 309) and he was called the "Moses of Mesopotamia" for his wisdom and ... He is commemorated in the Eastern Orthodox Church on January 13 and on October 31. He is commemorated in the Coptic ...
January 13 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/January_13_(Eastern_Orthodox_liturgics)
Jump to Saints - Martyrs Pachomius and Papyrinus, by drowning. Saint Jacob of Nisibis, Bishop of Nisibis, the "Moses of Mesopotamia" (c. 350)