He was the eldest son of the thirteen children of Heinrich XXIX, Count of Reuss-Ebersdorf and Sophie Theodora of Castell-Remlingen.
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#Heinrich LI (b. Ebersdorf, 16 May 1761 — d. Ebersdorf, 10 July 1822), crowned Prince of Reuss-Ebersdorf (German: Fürst Reuß zu Ebersdorf) on 9 April 1806.
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#Augusta (b. Ebersdorf, 9 January 1757 — d. Coburg, 16 November 1831), Princess of Reuss-Ebersdorf (German: Fürstin Reuß zu Ebersdorf) on 9 April 1806; married on 13 June 1777 to Duke Franz of Saxe-Coburg-Saalfeld.
Heinrich XXIV was born at Greiz, Reuss Elder Line, only son of Heinrich XXII, Prince Reuss of Greiz (1846–1902), (son of Heinrich XX, Prince Reuss of Greiz and Princess Caroline of Hesse-Homburg) and his wife, Princess Ida of Schaumburg-Lippe (1852–1891), (daughter of Adolf I, Prince of Schaumburg-Lippe and Princess Hermine of Waldeck-Pyrmont).
Heinrich Himmler | Heinrich Heine | Heinrich Schütz | Johann Heinrich Pestalozzi | Heinrich von Kleist | Heinrich Böll | Heinrich Isaac | Heinrich Marschner | Baron Hans Heinrich Thyssen-Bornemisza | Heinrich Mann | Heinrich Hertz | Heinrich Graetz | Heinrich Böll Foundation | Christian Heinrich Friedrich Peters | Wilhelm Heinrich Roscher | Johann Heinrich Lambert | Heinrich von Breymann | Heinrich Finck | Heinrich Zimmer | Heinrich Wilhelm Ernst | Heinrich Wilhelm Dove | Heinrich Wild | Heinrich von Bibra | Heinrich Schenker | Heinrich Nordhoff | Heinrich Leutemann | Heinrich Gustav Magnus | Ernst Heinrich Weber | Wilhelm Heinrich, Duke of Saxe-Eisenach | Wilhelm Heinrich |
She had only one surviving brother, Prince Heinrich XXIV Reuss of Greiz, who was incapable of governing because of the physical and mental ailments that resulted from a childhood accident.
The Reuss Elder Line died out with the death of the childless Heinrich XXIV in 1927, after which its claims were passed to the younger line.
Heinrich XIII was born at Greiz, Reuss, third child of Heinrich XI, Prince Reuss of Greiz (1722–1800), (son of Count Heinrich II Reuss of Obergreiz and Countess Sophie Charlotte of Bothmer) and his wife, Countess Conradine Reuss of Köstritz (1719–1770), (daughter of Heinrich XXIV, Count Reuss of Köstritz and Baroness Marie Eleonore Emma of Promnitz-Dittersbach).
Prince Heinrich XXIV Reuss of Köstritz, also Prince Heinrich XXIV Reuss, Younger Line (German: Heinrich XXIV. Prinz Reuß zu Köstritz, also Heinrich XXIV. Prinz Reuß jüngere Linie, December 8, 1855 in Trebschen – October 2, 1910 in Ernstbrunn, Austria) was a German composer.
Heinrich XXIV was born in Trebschen in the March of Brandenburg, descendant of the Reuss-Köstritz line, the Younger Line, of the extended German noble family of Reuss.