Baron Omar Rolf von Ehrenfels
Baron Omar Rolf von Ehrenfels (born 28 April 1901 in Prague - died 7 February 1980 in Neckargemünd, Heidelberg, Germany) was a prominent Muslim of Austrian origin.
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.