Louis IX, Landgrave of Hesse-Darmstadt

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Louis IX
Landgrave of Hesse-Darmstadt
Portrait of Louis IX around 1780 in the Musée historique de Strasbourg.
Landgrave of Hesse-Darmstadt
Reign 17 October 1768  – 6 April 1790
Born (1719-12-15)15 December 1719
Darmstadt
Died 6 April 1790(1790-04-06) (aged 70)
Pirmasens
Spouse Countess Palatine Caroline of Zweibrücken (m 12 August 1741)
Marie Adelaide of Cheirouze, countess of Lemberg (m 1775)
Issue Caroline, Landgravine of Hesse-Homburg
Frederica Louisa, Queen of Prussia
Louis X and I
Amalie, Hereditary Princess of Baden
Wilhelmina Louisa, Tsarevna of Russia
Louisa Augusta, Grand Duchess of Saxe-Weimar-Eisenach
Prince Frederick
Prince Christian
House Hesse-Darmstadt
Father Louis VIII, Landgrave of Hesse-Darmstadt
Mother Countess Charlotte of Hanau-Lichtenberg

Louis IX of Hesse-Darmstadt (German: Ludwig) (15 December 1719  – 6 April 1790) was the reigning Landgrave of Hesse-Darmstadt from 1768 to 1790. He was an ancestor of Queen Elizabeth II of the United Kingdom.


Marriage[edit]

On 12 August 1741, he married Caroline, daughter of Christian III, Duke of Zweibrücken.

Issue[edit]

  1. Princess Princess Karoline of Hesse-Darmstadt (1746–1821) married Frederick V, Landgrave of Hesse-Homburg
  2. Princess Friederike of Hesse-Darmstadt (1751–1805) married King Friedrich Wilhelm II of Prussia and became Queen of Prussia
  3. Louis I, Grand Duke of Hesse (1753–1830) married Princess Luise of Hesse-Darmstadt
  4. Princess Amalie of Hesse-Darmstadt (1754–1832), married her first cousin Karl Ludwig, Hereditary Prince of Baden
  5. Princess Princess Wilhelmine of Hesse-Darmstadt (1755–1776) married Grand Duke Pavel Petrovich of Russia.
  6. Princess Princess Luise of Hesse-Darmstadt (1757–1830) married Karl August, Grand Duke of Saxe-Weimar-Eisenach
  7. Prince Friedrich of Hesse-Darmstadt (1759–1802)
  8. Prince Christian of Hesse-Darmstadt (1763–1830)
  9. A stillborn son (May 3, 1742)

Titles[edit]

  • 15 December 1719  – 17 October 1768 His Serene Highness The Hereditary Prince of Hesse-Darmstadt.
  • 17 October 1768  – 6 April 1790 His Serene Highness The Landgrave of Hesse-Darmstadt.



Louis IX, Landgrave of Hesse-Darmstadt
Cadet branch of the House of Hesse
Born: 15 December 1719 Died: 6 April 1790
Regnal titles
Preceded by Landgrave of Hesse-Darmstadt
1768–1790
Succeeded byas Grand Duke of
Hesse and by Rhine