Petronell-Carnuntum
…the beginning of the 12th century Henry's descendant Diepold III, Margrave of Vohburg, gave the lands to Hugo von Liechtenstein (d. 1156). Hugo built Liechtenstein Castle about 45 km to the west. He was the progenitor of the House of Liechtenstein, the ruling family of the Principality of Liechtenstein. Petronell and…