Her father was Prince Christian of Schleswig-Holstein-Sonderburg-Augustenburg, the third son of Christian, Duke of Augustenburg and Countess Louise af Danneskjold-Samsøe. Her mother was Princess Helena, the fifth child and third daughter of Queen Victoria and Prince Albert of Saxe-Coburg and Gotha. Her parents resided in Britain from marriage.
Countess Louise of Nassau-Saarbrücken: 2. Ernst I, Prince of Hohenlohe-Langenburg: 20. Johann Carl, Count of Solms-Baruth: 10. Johann Christian II, Count of Solms-Baruth: 21. Countess Luise of Lippe-Biesterfeld: 5. Countess Amalie Henriette of Solms-Baruth: 22. Heinrich VI, Count Reuss of Köstritz: 11. Countess Friederike Luise Reuss of ...
Countess Klara Marie von Korff genannt Schmissing-Kerssenbrock Regina von Habsburg (née Princess Regina Helene Elisabeth Margarete of Saxe-Meiningen ; 6 January 1925 – 3 February 2010), also known by the traditional royal title of Archduchess Regina of Austria , was a German-born Austrian social worker . 
Princess Louise Margaret was born at Marmorpalais (Marble Palace) near Potsdam, Kingdom of Prussia. Her father was Prince Friedrich Karl of Prussia (1828–1885), the son of Karl of Prussia (1801–1883) and his wife Princess Marie of Saxe-Weimar-Eisenach (1808–1877).
1093. Henriette Amalie, Prințesă de Anhalt-Dessau (n. 16 august 1666, Kleve – d. 18 aprilie 1726, Castelul Oranienstein din Renania-Palatinat) 1094. Carol, Landgraf de Hessen-Kassel (n. 3 august 1654, Kassel – d. 23 martie 1730, tot acolo) 1095. Marie Amalia Kettler, Prințesă de Curland (n. 12 iunie 1653, Mitau, astăzi în Letonia – d.
13. Countess Sophie of Windisch-Graetz: 3. Princess Adelaide of Löwenstein-Wertheim-Rosenberg: 14. Karl Ludwig, Prince of Hohenlohe-Langenburg: 7. Princess Agnes of Hohenlohe-Langenburg: 15. Countess Amalie Henriette of Solms-Baruth