What is the official language of the place where Regensberg was a family of counts from?
Regensberg family Regensberg was a family of counts from the Canton of Zürich in Switzerland. The family had possessions in the medieval Zürichgau from the probably mid-11th century and became extinct in 1331 AD. With the extinction of the male line, the city republic of Zürich laid claim to the Regensberg lands and formed the "Herrschaft Regensberg" respectively "Äussere Vogtei".
West Frisian language West Frisian, or simply Frisian ("Frysk"; Dutch: "Fries" ] ) is a West Germanic language spoken mostly in the province of Friesland ("Fryslân") in the north of the Netherlands, mostly by those of Frisian ancestry. It is the most widely spoken of the three Frisian languages.