Frederick, Prince of Hohenzollern and his daughter, Maria Adelgunde, during her wedding dinner. 1942

The bride is wearing the “hohenzollern Sigmarigen” bridal crown, used also by her sister in law Birgitta of Sweden in her wedding in Hohenzollern-Sigmaringen.

Maria Adelgundes married Prince Konstantin of Bavaria, son of Prince Adalbert of Bavaria, from the Wittelsbach-Borbon branch, and  Countess Auguste von Seefried auf Buttenheim, great grandaughter of Kaiserin Elisabeth of Austria through her grandaughter Elisabeth Marie, Gisela s  eldest daughter.

(PS: Konstantin married twice. See HERE his second wedding, after divorcing Maria Adelgunde in 1948)