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.
Wilhelm Karl, Duke of Urach
Born as Wilhelm Karl Florestan Gero Crescentius, Count of Württemberg, he was the elder son of Wilhelm, 1st Duke of Urach (the head of a morganatic branch of the Royal House of the Kingdom of Württemberg), and his second wife, Princess Florestine of Monaco, occasional Regent of Monaco and daughter of Florestan I, Prince of Monaco.