When was the father of Albert, Duke of Schleswig-Holstein born?
Albert, Duke of Schleswig-Holstein Albert, Duke of Schleswig-Holstein (Albert John Charles Frederick Alfred George; 26 February 1869 – 27 April 1931), was a grandson of Queen Victoria. He was the second son of Victoria's daughter, Princess Helena, by her husband Prince Christian of Schleswig-Holstein. He was the head of the House of Oldenburg and also the House of Schleswig-Holstein-Sonderburg-Augustenburg and the Duke of Schleswig-Holstein between 1921 and 1931.
Ernst Gunther, Duke of Schleswig-Holstein Ernst Gunther, Duke of Schleswig-Holstein (August 11, 1863 – February 22, 1921) was a son of Frederick VIII, Duke of Schleswig-Holstein and Princess Adelheid of Hohenlohe-Langenburg. He inherited his father's title as titular duke of Schleswig-Holstein.