Princess Eugénie of Greece and Denmark

• Name — Princess Eugenie • Title — Princess Eugenie Radziwiłł Duchess of Castel Duino • House — Glücksburg • Born — 10 February 1910 • Birthplace — Paris, France • Died — 13 February 1989 • Place of death — Geneva, Switzerland • Burial Place — Duino Castle, Friuli-Venezia Giulia, Italy • Father — Prince George of Greece and Denmark • Mother — Marie Bonaparte • Issue — * Princess Tatiana Radziwiłł • Prince Jerzy Radziwiłł • Prince Carlo Alessandro, Duke of Castel Duino

Eugenie was the younger child and only daughter of Prince George of Greece and Denmark and his wife, Princess Marie Bonaparte, daughter of Marie-Félix Blanc and Prince Roland Bonaparte, a great-nephew of Napoleon I. Her father was the second son of George I of Greece and Olga Constantinovna of Russia. She had one elder brother, Prince Peter of Greece and Denmark, who, at the time of his birth, was third in line of succession to the Greek throne, preceded only by his unmarried cousin Paul and his own and Eugenia's father, Prince George. As a cousin of the bridegroom, Eugenie was a leading guest at the 1947 wedding of Princess Elizabeth and Philip, Duke of Edinburgh. She also attended the coronation of Elizabeth II in 1953. She authored Le Tsarevitch, Enfant Martyr, a biography of Aleksey Nikolaevich, Tsarevich of Russia, written in French, which was published in 1990.

She married Prince Dominik Rainer Radziwiłł, member of the House of Radziwiłł (and son of Prince Hieronim Radziwiłł and Archduchess Renata of Austria), on 30 May 1938 in Paris. They divorced on February 27, 1946. They had two children: • Princess Tatiana Radziwiłł (28 August 1939 – 19 December 2025); married Dr. Jean Henri Fruchaud. and has issue. Tatiana was a bridesmaid at the 1962 wedding of Prince Juan Carlos of Spain and Princess Sophia of Greece and Denmark as well as the 1964 wedding of Constantine II of Greece and Princess Anne-Marie of Denmark • Prince Jerzy (George) Andrzej Dominik Hieronim Piotr Leon Radziwiłł (4 November 1942 – 27 August 2001). Eugénie remarried on 28 November 1949 to Prince Raymundo della Torre e Tasso, Duke of Castel Duino, a cadet member of the House of Thurn and Taxis. Their marriage also ended in divorce, in 1965. They had one son: • Prince Carlo Alessandro della Torre e Tasso, Duke di Castel Duino (b. 10 February 1952); married Veronique Lanz and had issue. His descendants are Dukes of Castel Duino, which represent Italian line of the Czech branch of the House of Thurn and Taxis, which is cadet branch of the main German House of Thurn und Taxis.

The authorities additionally record the headings Princess Eugenie of Greece and Denmark and Eugénie of Greece and Denmark. She married Prince Dominik Rainer Radziwiłł and Prince Raimundo, 2nd Duke of Castel Duino. 3 children are recorded: Tatiana Radziwiłł, Prince Jerzy Radziwiłł and Prince Carlo Alessandro, 3rd Duke of Castel Duino.