Christian von Ehrenfels
Christian von Ehrenfels was born on 20 June 1859 in Rodaun near Vienna and grew up at his father's castle Brunn am Walde in Lower Austria. He joined secondary school in Krems and first studied at the Hochschule für Bodenkultur in Vienna and then changed to the Universität Wien.
Christian Quadflieg
During his time in Oberhausen he worked under the name "Christian Urs" as he did not want to profit from the fame of his father Will Quadflieg, who was born and raised in Oberhausen.