The General Councils of Constantinople include the second, fifth, sixth, the Trullan, and the eighth. The second was convoked by Theodosius the Great, in 381, to put down the enemies of the Nicene Creed, who had already been restrained by his decrees. The fifth general council was held by the Emperor Justinian in 553, to decide the dispute of the Three Chapters, or three doctrines of the Bishops Theodore of Mopsuestia, Theodoret, and Ibas of Edessa, who were suspected of Nestorianism, and declared heretics by the council. The sixth council, held 680-681, condemned the doctrines of the Monothelites, and declared their leaders heretics. As these two councils made no new ecclesiastical laws, the Emperor Justinian II, in 692, again summoned a general council, which, because it was held in the Trullan Palace, was called the Trullan Council. It instituted rigid laws for the clergy, among them those fixing the rank of the patriarchs and the permission of marriage to priests, which were so offensive to the LatinChurch that she rejected all the decrees of this council; but in the Greek Church they are still valid. The eighth general council (869-870) declared against the Iconoclasts, deposed Photius, and confirmed St Ignatius in the see of Constantinople. This council is not recognized by the Greek Church. Research General Councils of Constantinople