According to Marlene König the engagement was confirmed between Prince Dominik zu Löwenstein-Wertheim-Rosenberbg and Countess Olga zu CastellRüdenhausen. Prince Dominik is the youngest son of Fürst Alois Konstantin zu Löwenstein-Wertheim-Rosenberg and Fürstin Anastasia, née Pricness of Prussia and Coutness Olga is the oldest daughter of Fürst Johann Friedrich zu Castell-Rüdenhausen and Fürstin Maria, née Coutness of Schönborn-Wiesentheid. Countess Oklga is also a cousin ofPprince Georg Friedrich of Prussia as her faterh is one of the brothers of Gergo Friedrich's mother Donata.