Which German prince became a Belgian King and was closely connected to a German-born banker of Jewish descent who was awarded the Order of Leopold?
Lazare Richtenberger Lazare Richtenberger (1792 – 3 December 1853) was a German-born Belgian banker of Jewish descent. He was closely connected to the court of Leopold I of Belgium and later was awarded the Order of Leopold.
Archduke Joseph August of Austria Archduke Joseph August Viktor Klemens Maria of Austria, Prince of Hungary and Bohemia (9 August 1872 – 6 July 1962) was for a short period head of state of Hungary. He was a member of the House of Habsburg-Lorraine, the eldest son of Archduke Joseph Karl of Austria (1833–1905) and his wife Princess Clotilde of Saxe-Coburg-Gotha (1846–1927). Joseph August's grandfather had been Palatine Joseph of Hungary (1776–1847), Palatine and Viceroy of Hungary, a younger son of Emperor Leopold II.