George Amyruza an ecclesiastical writer, was born at Trebizond near the commencement of the 15th century. He was esteemed by John Palseologus II, emperor of Constantinople, whom he accompanied to the Council of Florence in 1439. On his return to Trebizond, he performed historical duties for David, the emperor. After the taking of Trebizond by the Turks, in 1461, he was in favor with the sultan, Mahomet II, and obtained an important place in the seraglio. He died about 1465, having embraced Mohammedanism. He wrote a work entitled, Ad Demetrium Nauplis Ducem, etc., directed against the union of the two churches, from which Allatius has given extracts in his De Consensu Utriusque Ecclesice. See Hoefer, Nouv. Biog. Generale, s.v.