Chaldean Catholic Eparchy of Seert
He was succeeded by the Rabban Hormizd monk Mikha'il Kattula of Telkepe, one of the many opponents of Yohannan VIII Hormizd, who was consecrated in 1826 by Joseph V. He died in 1855 and was buried in the monastery of Mar Yaqob.
Pope John VIII
During the solemn divine service in St. Peter's church in Rome in 879, John VIII gave his blessing to duke Branimir of Croatia and the whole Croatian people, about which he informed Branimir in his letters. His country received papal recognition as a state. John made the decision on 21 May and confirmed it in his letter of 7 June 879.