Irene of Greece, Duchess of Aosta

Greek Royalty
House of Oldenburg (Glücksburg branch)

George I
   Prince Constantine
   Prince George
   Princess Alexandra
   Prince Nicholas
   Princess Marie
   Prince Andrew
   Prince Christopher
   Prince Peter
   Prince Eugénie
   Princess Olga
   Princess Elizabeth
   Princess Marina
   Princess Margarita
   Princess Theodora
   Princess Cecilie
   Princess Sophie
   Prince Philip
   Prince Michael
Great Grandchildren
   Princess Alexandra
   Princess Olga
Constantine I
   Prince George
   Prince Alexander
   Princess Elena
   Prince Paul
   Princess Irene
   Princess Katherine
Alexander I
   Princess Alexandra
George II
Paul I
   Princess Sofia
   Prince Constantine
   Princess Irene
Constantine II
   Princess Alexia
   Prince Pavlos
   Prince Nikolaos
   Princess Theodora
   Prince Philippos
   Princess Maria
   Prince Constantine
   Prince Achileas
   Prince Odysseas

Princess Irene of Greece and Denmark (Greek: Irini) (13 February 1904 - 15 April 1974) was the fifth child and second daughter of Constantine I of Greece and his wife, the former Princess Sophie of Prussia.

Her paternal grandparents were George I of Greece and Olga Konstantinovna of Russia. Her maternal grandparents were Friedrich III, German Emperor, and his Empress consort Victoria. Victoria was a daughter of Prince Albert of Saxe-Coburg and Gotha and Queen regnant Victoria of the United Kingdom.

Irene was born in Athens, preceded in birth by three brothers, Prince George (1890), Prince Alexander (1893) and Prince Paul (1901), and one sister, Princess Helen (1896). Another sister, Princess Katherine was born in 1913.

On 1 July 1939, Princess Irene married Prince Aimone of Savoy, Duke of Spoleto (b. 9 March 1900 in Florence, Italy) They had one child:

Prince Aimone became 4th Duke of Aosta on 3 March 1942, following the death of his elder brother Prince Amadeo, 3rd Duke of Aosta. On 18 May 1941, taking the name Tomislav II, he was proclaimed King of the Independent State of Croatia, a German/Italian puppet state covering most of Croatia and Bosnia and Herzegovina. He never had any power or even set foot on the territory of the state, and subsequently abandoned the crown on 12 October 1943, after the Italian withdrawal from the war. Prince Aimone died on 29 January 1948 in Buenos Aires. Upon his death, his son succeeded him as the 5th Duke of Aosta.

Princess Irene died on 15 April 1974 in Fiesole.


As a matrilineal descendant of Victoria of the United Kingdom, she and all her female-line descendants are members of mitochondrial haplogroup H.

Styles of
Princess Irene of Greece and Denmark
Reference style Her Royal Highness
Spoken style Your Royal Highness
Alternative style Ma'am

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