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.
Duke Charles Louis Frederick of Mecklenburg
Charles was born in Strelitz, the second son and youngest child of Adolphus Frederick II, reigning Duke of Mecklenburg-Strelitz. His mother, Princess Christiane Emilie of Schwarzburg-Sondershausen, was the third wife of his father. Charles had one half-brother and one surviving half-sister, the children of his father's first marriage. He also had one full sister at the time of his birth, but she died as an infant when Charles was less than one year old.