Louis IX, Landgrave of Hesse-Darmstadt

Louis IX of Hesse-Darmstadt (German: Ludwig) (15 December 1719 – 6 April 1790) was the Landgrave of Hesse-Darmstadt from 1768 - 1790. He was a son of Louis VIII, Landgrave of Hesse-Darmstadt, and Charlotte of Hanau-Lichtenberg and Müntzenberg.

Louis IX
Landgrave of Hesse-Darmstadt
Louis IX of Hesse Darmstadt-f4598401.jpg
Portrait of Louis IX around 1780 in the Musée historique de Strasbourg
Born(1719-12-15)15 December 1719
Died6 April 1790(1790-04-06) (aged 70)
SpouseCaroline of Zweibrücken
IssueCaroline, 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
FatherLouis VIII, Landgrave of Hesse-Darmstadt
MotherCountess Charlotte of Hanau-Lichtenberg

He was born in Darmstadt on 15 December 1719. On 12 August 1741, Louis married Caroline of Zweibrücken, daughter of Christian III, Duke of Zweibrücken. They had three sons and five daughters, including:

In 1775, Louis married Marie Adelaide of Cheirouze, countess of Lemberg. On 6 April 1790 Louis died in Pirmasens.



  1. ^ Genealogie ascendante jusqu'au quatrieme degre inclusivement de tous les Rois et Princes de maisons souveraines de l'Europe actuellement vivans [Genealogy up to the fourth degree inclusive of all the Kings and Princes of sovereign houses of Europe currently living] (in French). Bourdeaux: Frederic Guillaume Birnstiel. 1768. p. 68.

External linksEdit

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
Louis VIII
Landgrave of Hesse-Darmstadt
Succeeded by
Louis X
as Grand Duke of
Hesse and by Rhine