Mar Aba I
Quick Summary
Mar Aba I was a prominent Nestorian patriarch who led the Church of the East in Persia during a period of persecution and schism. He was a convert from Zoroastrianism and reigned from 540 to 552 CE. Under his leadership, the Persian Church, which had declared its independence from other Christian churches, reaffirmed its adherence to Nestorian theological authority. Mar Aba I also played a role in renewing monasticism through Abraham of Kashkar. The Nestorian sect, originating in Asia Minor and Syria, stressed the independence of Christ's divine and human natures, leading to its condemnation by ecumenical councils.1
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