The Robber Council of Ephesus was convoked by Emperor Theodosius II on August 8, 449 for the purpose of adjudicating the findings of the council of November 448 chaired by Flavian of Constantinople that had deposed and excommunicated the Archimandrite Eutyches for refusing to admit the two natures of Christ. The council, under the chair of Dioscorus of Alexandria and support of Emperor Theodosius II, found in favor of Eutyches and deposed Flavian of Constantinople.