Ferdinand Joseph, Prince of Dietrichstein, was a German prince member of the House of Dietrichstein, 3rd Prince of Dietrichstein zu Nikolsburg, Princely Count of Tarasp, Baron of Hollenburg, Finkenstein and Thalberg; in addition, he served as Lord Chamberlain, Conference Minister and Privy Councillor of Emperor Leopold I, and Knight of the Order of the Golden Fleece since 1668. Wikipedia