About Walther Franz Xaver Anton, Prince of Dietrichstein
Walther Franz Xaver Anton, Prince of Dietrichstein (18 September 1664 – 3 November 1738), was a German prince member of the House of Dietrichstein, 5th Prince (Fürst) of Dietrichstein zu Nikolsburg, Princely Count (gefürsteter Graf) of Tarasp, Baron (Freiherr) of Hollenburg, Finkenstein and Thalberg.
He was the sixth child and fourth (but third surviving) son of Ferdinand Joseph, 3rd Prince of Dietrichstein, and Marie Elisabeth, daughter of Johann Anton I, Prince of Eggenberg, Duke of Ceský Krumlov and Princely Count (gefürsteter Graf) of Gradisca d'Isonzo.