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 IX of Denmark
Christian was born on 8 April 1818 at Gottorf Castle near the town of Schleswig in the Duchy of Schleswig as Prince Christian of Schleswig-Holstein-Sonderburg-Beck, the fourth son of Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Beck, and Princess Louise Caroline of Hesse-Kassel. He was named after Prince Christian of Denmark, the later King Christian VIII, who was also his godfather.