Landgrave Ludwig IX (of Hesse-Darmstadt)

Landgrave Ludwig IX (of Hesse-Darmstadt) was born on 16 December 1719 in Darmstadt, Starkenburg, Hesse-Darmstadt.¹ He was christened on 15 December 1719 in Darmstadt, Starkenburg, Hesse-Darmstadt.¹ He was the son of Landgrave Ludwig VIII (of Hesse-Darmstadt) and Countess Charlotte Christine Magdalene (of Hanau-Lichtenberg).¹ Landgrave Ludwig IX (of Hesse-Darmstadt) married Princess Karoline (Henriette Christine) (of Birkenfeld), daughter of Christian III Palsgrave (of Birkenfeld-Zweibrucken) and Countess Karoline (of Nassau-Saarbrucken), on 12 August 1741 in Pfalz, Bavaria.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) died on 6 April 1790 in Pfalz, Bavaria, at age 70.¹ He was buried on 9 April 1790 in Pirmasens, Pfalz, Bavaria.¹
Ludwig IX's mother Countess Charlotte Christine Magdalene (of Hanau-Lichtenberg) died on 1 July 1726 in Darmstadt, Starkenburg, Hesse-Darmstadt.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Prince Son (of Hesse-Darmstadt) on 13 May 1742.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Princess Karoline (of Hesse-Darmstadt) on 2 March 1746.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Queen Luise Friederike (of Prussia) on 16 October 1751.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Grand Duke Ludwig I (of Hesse) on 14 June 1753.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Princess Amalie (Friederike) (of Hesse-Darmstadt) on 20 June 1754.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Princess Nataliya (Wilhelmine) (of Hesse-Darmstadt) on 25 June 1755.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Princess Luise Auguste (of Hesse-Darmstadt) on 30 January 1757.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Prince Friedrich Ludwig (of Hesse-Darmstadt) on 10 June 1759.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became the father of Prince Christian Ludwig (of Hesse-Darmstadt) on 25 November 1763.¹ Ludwig IX's father Landgrave Ludwig VIII (of Hesse-Darmstadt) died on 17 October 1768 in Darmstadt, Starkenburg, Hesse-Darmstadt.¹ Landgrave Ludwig IX (of Hesse-Darmstadt) became a widower with the death of his wife, Princess Karoline (Henriette Christine) (of Birkenfeld) on 30 March 1774 in Darmstadt, Starkenburg, Hesse-Darmstadt, Germany, at age 53.¹ Ludwig IX's daughter was married at wedding of Princess Amalie (Friederike) (of Hesse-Darmstadt) and Hereditary Prince Karl (of Baden) on 15 July 1774 in Karlsruhe, Karlsruhe, Baden.¹ Ludwig IX's daughter Princess Nataliya (Wilhelmine) (of Hesse-Darmstadt) died on 15 April 1776 in St. Petersburg, St. Petersburg, Russia.¹ Ludwig IX's son Grand Duke Ludwig I (of Hesse) was married to Princess Luise Henriette Karoline (of Hesse-Darmstadt) in 1777 at Prinz Georg Palais, Darmstadt, Starkenburg, Hesse-Darmstadt.¹