Jacob of Nisibis
Jacob of Nisibis, also known as Jacob of Mygdonia, Jacob the Great, and James of Nisibis, was a hermit, grazer and the bishop of Nisibis until his death.
He was lauded as the "Moses of Mesopotamia", and was the spiritual father of the renowned writer and theologian Ephrem the Syrian. Jacob was present at the first ecumenical council at Nicaea, and is venerated as a saint by the Church of the East, Eastern Orthodox Church, Oriental Orthodox Church, Roman Catholic Church, and Eastern Catholic Churches.
In the Martyrology
- July 15 Saint Jacob, bishop of Nisibis