Princess Helena of Waldeck and Pyrmont (1899–1948)

Princess Helena of Waldeck and Pyrmont (German: Prinzessin Helene Bathildis Charlotte Maria Friederike zu Waldeck und Pyrmont; 22 December 1899 – 18 February 1948) was the only daughter of Friedrich, Prince of Waldeck and Pyrmont, last reigning Prince of Waldeck and Pyrmont, and wife of Nikolaus, Hereditary Grand Duke of Oldenburg.

Princess Helena of Waldeck and Pyrmont (1899–1948)

Princess Helena of Waldeck and Pyrmont (German: Prinzessin Helene Bathildis Charlotte Maria Friederike zu Waldeck und Pyrmont; 22 December 1899 – 18 February 1948) was the only daughter of Friedrich, Prince of Waldeck and Pyrmont, last reigning Prince of Waldeck and Pyrmont, and wife of Nikolaus, Hereditary Grand Duke of Oldenburg.