About Karl Johann Baptist, Prince of Dietrichstein
Karl Johann Baptist, Prince of Dietrichstein (Karl Johann Baptist Walther Sigismund Ernest Nepomuk Alois; 27 June 1728 – 25 May 1808), was a German prince member of the House of Dietrichstein, 7th Prince (Fürst) of Dietrichstein zu Nikolsburg, Princely Count (gefürsteter Graf) of Tarasp, Baron (Freiherr) of Hollenburg, Finkenstein and Thalberg.
Born in Nikolsburg, he was the eldest child of Karl Maximilian, 6th Prince of Dietrichstein, and Maria Anna Josepha, a daughter of Sigismund Frederick I, Count of Khevenhüller-Aichelberg in Hohenosterwitz.