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.
Prince Lorenz of Belgium, Archduke of Austria-Este
Prince Lorenz is a godfather to Prince Carl-Johan of Nassau, youngest child of Prince Jean of Luxembourg and Count Costantino Secco di Aragona, oldest son of his cousin Archduchess Catharina-Maria of Austria.