This is an information for YOAV LAHAD concerning Hugo Koritschoner.
Hugo Koritschoner was born on January 7 1883 in Oberwisternitz. His parents were Philipp and Laura Koritschoner from Oberwisternitz. He had two brothers: Moses Moritz born December, 10 1881 in Oberwisternitz and Otto Koritschoner born July 8 1884 in Oberwisternitz.
I know from Yad Vashem documents what happend to Otto and Moses Moritz but have no information about Hugo.
Jürgen Schad