question: When did Ludwig Gruno Of Hesse-Homburg's father die?
context: [["Ulrike Louise of Solms-Braunfels", ["Ulrike Louise of Solms- Braunfels( 1 May 1731 in Hungen, Landgraviate of Hesse- Darmstadt \u2013 12 September 1792 in Bad Homburg) was a German regent, Landgravine of Hesse- Homburg by marriage to Frederick IV of Hesse- Homburg, and regent of Hesse- Homburg, on behalf of her minor son Frederick V Louis William Christian from 1751 to 1766."]], ["Landgravine Auguste of Hesse-Homburg", ["Landgravine\" Auguste\" Fredericka of Hesse- Homburg( full German name:\" Auguste Friederike, Landgr\u00e4fin von Hessen- Homburg\"; 28 November 1776, Bad Homburg vor der H\u00f6he, Landgraviate of Hesse- Homburg, Holy Roman Empire \u2013 1 April 1871, Ludwigslust, Grand Duchy of Mecklenburg- Schwerin), was a member of the House of Hesse and a Landgravine of Hesse- Homburg by birth.", "Through her marriage she was also a member of the House of Mecklenburg and Hereditary Grand Duchess of Mecklenburg- Schwerin.", "She was the sixth child and fourth daughter of Frederick V, Landgrave of Hesse- Homburg and his wife Landgravine Caroline of Hesse- Darmstadt, in turn daughter of Louis IX, Landgrave of Hesse- Darmstadt."]], ["Frederick IV, Landgrave of Hesse-Homburg", ["Frederick IV Charles Louis William of Hesse- Homburg( 15 April 1724 in Braunfels \u2013 7 February 1751 in Bad Homburg), was Landgrave of Hesse- Homburg."]], ["Ludwig Gruno of Hesse-Homburg", ["Ludwig Johann Wilhelm", "Gruno von Hessen-Homburg (15 January 1705 \u2013 23 October 1745) was hereditary prince of Hesse-Homburg and an Imperial Russian field marshal.", "He was the eldest surviving son of Frederick III, Landgrave of Hesse-Homburg and his wife Elisabeth Dorothea of Hesse-Darmstadt, daughter of Louis VI, Landgrave of Hesse-Darmstadt.", "He studied at the University of Giessen and was sent by his father to Russia in 1723.", "He became Major-General in Riga and commander of the Narva-Regiment.", "As the grandson of Louise Elisabeth of Courland, he hoped in vain to succeed his cousin Ferdinand Kettler as Duke of Courland.", "Anna of Russia moved him to Saint Petersburg, where he was promoted to General-Lieutenant and commander of the Saint Petersburg garrison.", "In 1732, he led a successful campaign against the Crimean Tatars in the Caucasus.", "After operations in Eastern Poland in 1734-1735, he again fought against the Crimean Tatars and the Turks in 1736-1737, but now under command of von M\u00fcnnich.", "He was awarded with the rank of General-Feldzeugmeister and was appointed Governor of Astrachan and the Persian provinces.", "Ludwig Gruno also had good relations with the new Tsarina Elizabeth of Russia.", "She gave him in 1742 the title of General-Fieldmarshal, a house in Moscow and an estate in Livonia.", "He died from illness on a travel in Berlin.", "He pre-deceased his father and was buried in the crypt of Bad Homburg Castle."]], ["Leopold of Hesse-Homburg", ["Leopold Victor Friedrich of Hesse- Homburg( 10 February 1787 \u2013 2 May 1813) was a prince of Hesse- Homburg."]], ["Frederick III, Landgrave of Hesse-Homburg", ["Frederick III James of Hesse-Homburg (born 19 May 1673 in C\u00f6lln; died: 8 June 1746 in 's-Hertogenbosch)", "was a Landgrave of Hesse-Homburg"]], ["Princess Amalie of Hesse-Homburg", ["Princess and Landgravine Christiane\" Amalie\" of Hesse- Homburg, full German name:\" Christiane Amalie, Landgr\u00e4fin von Hessen- Homburg\"( 29 June 1774, Bad Homburg vor der H\u00f6he, Landgraviate of Hesse- Homburg, Holy Roman Empire \u2013 3 February 1846, Dessau, Duchy of Anhalt- Dessau) was a member of the House of Hesse- Homburg and a Princess and Landgravine of Hesse- Homburg by birth.", "Through her marriage to Frederick, Hereditary Prince of Anhalt- Dessau, Amalie was also a member of the House of Ascania and Hereditary Princess of Anhalt- Dessau."]], ["Casimir William of Hesse-Homburg", ["Casimir William of Hesse- Homburg( 23 March 1690 in Weferlingen \u2013 9 October 1726 in H\u00f6tensleben) was a prince of Hesse- Homburg."]], ["Gustav, Landgrave of Hesse-Homburg", ["Gustav, Landgrave of Hesse- Homburg( 17 February 1781 \u2013 8 September 1848) was landgrave of the German state of Hesse- Homburg from 1846 to 1848."]], ["Louis William, Landgrave of Hesse-Homburg", ["Louis William, Landgrave of Hesse- Homburg( 29 August 1770 in Homburg \u2013 19 January 1839 in Luxembourg), was Landgrave of Hesse- Homburg from 1829 until his death."]]]
supporting_facts: [["Ludwig Gruno of Hesse-Homburg", 2], ["Frederick III, Landgrave of Hesse-Homburg", 0]]
evidences: [["Ludwig Gruno of Hesse-Homburg", "father", "Frederick III, Landgrave of Hesse-Homburg"], ["Frederick III, Landgrave of Hesse-Homburg", "date of death", "8 June 1746"]]
answer: 8 June 1746