The Archduke Charles (1771-1847), Duke of Teschen, was the son of the Emperor Leopold II. He was the most successful Austrian commander of the early 19th century and a major military theorist
He built Schloss Weilberg, named after his wife's family home on the Lahn, in about 1820-1823 to the designs of Kornhausel. This is the earliest card brise fan - a type for which Vienna became famous - known to us with an obvious Austrian link. Earlier fans with Austrian connections ususally have etched leaves