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".
County of Dannenberg The County of Dannenberg (German: "Grafschaft Dannenberg" ) was a fief in the Duchy of Saxony. Its heartland was largely identical with the present-day collective municipality of Elbtalaue in north Germany.