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.
House of Amsberg The House of Amsberg (German: "von Amsberg" , Dutch: "van Amsberg" ) is the name of a German noble family from Mecklenburg. A great-grandson of a blacksmith, parish pastor August Amsberg (1747–1820) started calling himself "von Amsberg" in 1795 and the family's right to use this name was confirmed by the Grand Duke of Mecklenburg-Schwerin in 1891. By this permission to use a noble privilege, the family effectively became part of the untitled lower nobility of the Grand Duchy of Mecklenburg-Schwerin. The present King of the Netherlands, Willem-Alexander is an agnatic member of this family.