Klemens von Metternich
Klemens Wenzel Nepomuk Lothar, Prince von Metternich-Winneburg zu Beilstein, KOGF (; 15 May 1773 – 11 June 1859) was an Austrian diplomat who was at the center of European affairs for four decades as the Austrian Empire's foreign minister from 1809 and Chancellor from 1821 until the liberal Revolutions of 1848 forced his resignation.
Clemens Brentano
Clemens Wenzeslaus Brentano (also Klemens; pseudonym: Clemens Maria Brentano ; ; 9 September 1778 – 28 July 1842) was a German poet and novelist, and a major figure of German Romanticism. He was the uncle, via his brother Christian, of Franz and Lujo Brentano.