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".
Principality of Orange-Nassau Orange-Nassau, also known as Nassau-Orange (German: "Oranien-Nassau" or "Nassau-Oranien"), was a principality which was part of the Lower Rhenish-Westphalian Circle within the Holy Roman Empire. It existed under this name between 1702 and 1815. The territory of the former state of Orange-Nassau is now part of Germany. It was ruled by the House of Orange-Nassau.