Duchess Cecilie of Mecklenburg-Schwerin Crown Princess of Prussia (1886-1954) (1886–1954) Parents Grand Duchess Anastasia Mikhailovna of Russia Frederick Francis III Children Prince Hubertus of Prussia Prince Wilhelm of Prussia Prince Frederick of Prussia Louis Ferdinand, Prince of Prussia Princess Alexandrine of Prussia Princess Cecilie Viktoria of Prussia Siblings Alexandrine of Mecklenburg-Schwerin Frederick Francis IV Alexis Louis de Wenden Partners Wilhelm, German Crown Prince
