The following is a family tree for the Kings of the Hellenes of the House of Schleswig-Holstein-Sonderburg-Glücksburg, which ruled Greece between the election of Prince Wilhelm of Denmark (George I) to replace Otto of Greece in 1863, who was born Prince William of Schleswig-Holstein-Sonderburg-Glücksburg, on 24 December 1845, and was King of Greece from 1863 until his assassination in 1913?
George I of Greece George I (Greek: Γεώργιος Α΄ , "Geórgios I"; born Prince William of Schleswig-Holstein-Sonderburg-Glücksburg; 24 December 1845 – 18 March 1913) was King of Greece from 1863 until his assassination in 1913.
Princess Adelheid of Schaumburg-Lippe Princess Adelheid of Schaumburg-Lippe (9 March 1821 in Bückeburg, Schaumburg-Lippe – 30 July 1899 in Itzehoe, Schleswig-Holstein, Germany) was a member of the House of Schaumburg-Lippe and a Princess of Schaumburg-Lippe by birth. Through her marriage to Friedrich, Duke of Schleswig-Holstein-Sonderburg-Glücksburg, Adelheid was a sister-in-law of Christian IX of Denmark and Duchess consort of Schleswig-Holstein-Sonderburg-Glücksburg from 14 October 1878 to 27 November 1885.