Example image of eyePlorer eyePlorer map for 'Old Catholic Church': Christianity First Vatican Council German language Holy See Papal infallibility Ecclesiology Liberal Christianity Liberalism Anglican Communion Breakaway Catholic Churches Union of Utrecht (Old Catholic) Roman Catholic Archdiocese of Utrecht Pope Sergius I Willibrord Netherlands Utrecht (city) Deventer Haarlem Brethren of the Common Life Geert Groote Pope Adrian VI The Imitation of Christ (book) Thomas à Kempis Conrad II, Holy Roman Emperor Holy Roman Emperor Pope Eugene III Fourth Council of the Lateran Pope Leo X Catholic Church Protestant Reformation Rhine Waal Calvinism Dutch Republic Apostolic vicariate Pope Flanders Missionary Sacrament Heresy Jansenism Petrus Codde Cardinal (Catholicism) Pope Innocent XII Pope Clement XI Groningen (city) Full communion Anti-clericalism Pope Pius IX Willem II