Prince Sigismund of Prussia (1896–1978)

Prince Sigismund of Prussia (Wilhelm Viktor Karl August Heinrich Sigismund; 27 November 1896 at Kiel – 14 November 1978 at Puntarenas, Costa Rica), was the second son of Prince Henry of Prussia and his wife, Princess Irene of Hesse and by Rhine. He was a nephew of Kaiser Wilhelm II and Tsarina Alexandra of Russia and a great-grandson of Queen Victoria through both his parents.

Prince Sigismund of Prussia (1896–1978)

Prince Sigismund of Prussia (Wilhelm Viktor Karl August Heinrich Sigismund; 27 November 1896 at Kiel – 14 November 1978 at Puntarenas, Costa Rica), was the second son of Prince Henry of Prussia and his wife, Princess Irene of Hesse and by Rhine. He was a nephew of Kaiser Wilhelm II and Tsarina Alexandra of Russia and a great-grandson of Queen Victoria through both his parents.