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 Frisians The West Frisians (German: "Westfriesen" ) – or, more precisely, the Westlauwers Frisians – are those Frisian peoples in that part of Frisia administered by the Netherlands: the Province of Friesland, which is bounded in the west by the IJsselmeer and in the east by the River Lauwers (hence the name "Westlauwers", i.e., "west of the Lauwers").