The Korselts are a huge, widespread family that has been resident in the village of Mittelherwigsdorf near Zittau in Saxony (nowadays close to the Czech and Polish borders) since the early Middle Ages.
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Alwin Reinhold Korselt (born 17 March 1864 in Mittelherwigsdorf; died 4 February 1947 in Plauen) was a German mathematician.
Afterwards it flows eastwards through another part of Upper Lusatia in which the Lausur joins in Großschönau, from Hainewalde through the Roschertal to Mittelherwigsdorf, where the Landwasser joins, and finally it reaches Zittau where it flows east of the town 747 feet above sea level into the Lusatian Neisse.
Mittelherwigsdorf is a municipality in the district Görlitz, in Saxony, Germany.