Countess Olga zu Castell-Rudenhausen .. no date set yet.
I rode in the elevator with The Prince of Lowenstein-Wertheim-Rosenberg, and asked the Prince if Dominik was engaged. The engagement is official.
Countess Olga is the eldest daughter of Johann Friedrich, Prince of Castell-Rudenhausen, and his wife, Countess Maria of Schonborn-Wiesentheid. Olga Graziella was born January 31, 1987 at Wurzburg.
Johann Friedrich's sister, Donata, is the mother of Prince Georg Friedrich of Prussia.