Exchange the throne for an altar, as was done at trier, and you had a church.
British Dictionary definitions for trier
a person or thing that tries
a city in W Germany, in the Rhineland-Palatinate on the Moselle River: one of the oldest towns of central Europe, ancient capital of a Celto-Germanic tribe (the Treveri); an early centre of Christianity, ruled by powerful archbishops until the 18th century; wine trade; important Roman remains. Pop: 100 180 (2003 est) Latin name Augusta Treverorum (aʊˈɡuːstə ˌtrɛvəˈrəʊrəm) French name Trèves