Pope John IX (Latin: Ioannes IX; died January 900) was the bishop of Rome and ruler of the Papal States from January 898 to his death. Little is known...

historian to number the popes continuously. His list ends in 1049 with Leo IX as number 154. Several changes were made to the list during the 20th century...

Pope John Paul I (Latin: Ioannes Paulus I; Italian: Giovanni Paolo I; born Albino Luciani [alˈbiːno luˈtʃaːni]; 17 October 1912 – 28 September 1978) was...

Kantakouzenos or Cantacuzene (Greek: Ἰωάννης Ἄγγελος Παλαιολόγος Καντακουζηνός, Iōánnēs Ángelos Palaiológos Kantakouzēnós; Latin: Iohannes Cantacuzenus; c. 1292 –...

Pope John Paul II (Latin: Ioannes Paulus II; Polish: Jan Paweł II; Italian: Giovanni Paolo II; born Karol Józef Wojtyła, Polish: [ˈkarɔl ˈjuzɛv vɔjˈtɨwa];...

Vatatzes, Latinized as Ducas Vatatzes (Greek: Ἰωάννης Γ´ Δούκας Βατάτζης, Iōannēs III Doukas Vatatzēs, c. 1192 – 3 November 1254), was Emperor of Nicaea...

September 1622 Blessed Ioannes Hamanomachi – 10 September 1622 Blessed Ioannes Maki Jizaemon – 7 September 1627 Blessed Ioannes Onizuka Naizen – 12 July...

Ioannes Kegen was a Pecheneg military commander who served under khan Tyrach in 1048, whose quarrel led to the Pecheneg revolt of 1048-1053. Kegen and...

Pope John XXIII (Latin: Ioannes XXIII; Italian: Giovanni XXIII [dʒoˈvanni ventitreˈɛːzimo]; born Angelo Giuseppe Roncalli, Italian: [ˈandʒelo dʒuˈzɛppe...

June 1678 – 8 April 1738), also known under his claimed official name Ioannes IX Antonius I Angelus Flavius Comnenus Lascaris Palaeologus, and various...