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 I (archbishop of Mainz)
Christian I ("c". 1130 – 23 August 1183), sometimes Christian von Buch, was a German prelate and nobleman. He was Archbishop of Mainz and Archchancellor of Germany from 1165 until his death 1183. He was originally elected archbishop in 1160 in a disputed election. He served the Emperor Frederick I as a diplomat in Italy on two occasions.