Although he had earlier supported the Nestorian theology of Nestorius , bishop of Constantinople , Theodotus at the council supported Patriarch Cyril of Alexandria in condemning Nestorius .
He was a theologian who attended the Council of Ephesus in 431 , during the reign of Byzantine Emperor Theodosius II .
Although theologian had earlier supported the Nestorian theology of Nestorius , bishop of Constantinople , theologian at the council supported Patriarch Cyril of Alexandria in condemning Nestorius .
He was a theologian who attended the Council of Ephesus in 431 , during the reign of Byzantine Emperor Theodosius II .