People Prince Friedrich Sigismund of Prussia Prussian prince (1891–1927)17 December 1891 – 6 July 1927 Prince Friedrich Leopold of Prussia14 November 1865 – 13 September 1931Princess Louise Sophie of Schleswig-Holstein-Sonderburg-Augustenburg8 April 1866 – 28 April 1952 Prince Friedrich Sigismund of Prussia17 December 1891 – 6 July 1927 ParentsPrince Friedrich Leopold of Prussia14 November 1865 – 13 September 1931Princess Louise Sophie of Schleswig-Holstein-Sonderburg-Augustenburg8 April 1866 – 28 April 1952SiblingsPrincess Victoria Margaret of Prussia17 April 1890 – 9 September 1923Prince Friedrich Karl of Prussia6 April 1893 – 6 April 1917Prince Friedrich Leopold of Prussia27 August 1895 – 27 November 1959 From Wikipedia and Wikidata (public domain), updated daily.
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