What is the official language of the place where Regensberg was a family of counts from?
Canton of Zürich The canton of Zürich (German: "Kanton"    ) has a population (as of 31 December 2016 ) of . The canton is located in the northeast of Switzerland and the city of Zürich is the capital of the canton. The official language is German. The local Swiss German dialect called "Züritüütsch" is commonly spoken. In English the name of the canton is often written without an umlaut.
Electorate of Mainz The Electorate of Mainz (German: "Kurfürstentum Mainz" or "Kurmainz ", Latin: "Electoratus Moguntinus" ), also known in English by its French name, Mayence , was the most prestigious and among the most influential states of the Holy Roman Empire from its creation to the dissolution of the HRE in the early years of the 19th century. In the Roman Catholic hierarchy, the Archbishop-Elector of Mainz was the Primate of Germany ("primas Germaniae "), a purely honorary dignity that was unsuccessfully claimed from time to time by other Archbishops. There were only two other ecclesiastical Prince-electors in the Empire: the Electorate of Cologne and the Electorate of Trier.