Event Factoid: Cyrus was a lapsed clergyman
who sought to be reinstated without signing a written declaration of orthodox faith.
Sources:
Ernest Walter Brooks,The Sixth Book of the Select Letters of Severus, Patriarch of Antioch, in the Syriac
Version of Athanasius of Nisibis. Translation, Part II: Letters III.1-XI.1, vol. 2.2 (London: Williams and Norgate, 1904), p: 342-43, part: V.13.