People Albert, Duke of Schleswig-Holstein Titular Duke of Schleswig-Holstein26 February 1869 – 27 April 1931 Prince Christian of Schleswig-Holstein22 January 1831 – 28 October 1917Princess Helena of the United Kingdom25 May 1846 – 9 June 1923 Albert, Duke of Schleswig-Holstein26 February 1869 – 27 April 1931 ParentsPrince Christian of Schleswig-Holstein22 January 1831 – 28 October 1917Princess Helena of the United Kingdom25 May 1846 – 9 June 1923SiblingsPrince Christian Victor of Schleswig-Holstein14 April 1867 – 29 October 1900Princess Helena Victoria of Schleswig-Holstein3 May 1870 – 13 March 1948Princess Marie Louise of Schleswig-Holstein12 August 1872 – 8 December 1956 From Wikipedia and Wikidata (public domain), updated daily.
