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In page Princess Alexandrine of Prussia (1915–1980):

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Alexandrine was born at the Kronprinzenpalais in Berlin. Her middle name of Irene (Greek for "peace") was likely given due to her birth during the second year of World War I.[citation needed] She was also called "Adini".[1] She followed older brothers Wilhelm, Louis Ferdinand, Hubertus, and Frederick. Alexandrine's only sister, Cecilie, was born in 1917.