question: When was Charles, Grand Duke Of Baden's father born?
context: [["Princess Louise Amelie of Baden", ["Princess Louise Amelie Stephanie of Baden( 5 June 1811 \u2013 19 July 1854) was a daughter of Charles, Grand Duke of Baden, and his wife, St\u00e9phanie de Beauharnais."]], ["Charles Louis, Hereditary Prince of Baden", ["Charles Louis, Hereditary Prince of Baden (14 February 1755 \u2013 16 December 1801) was heir apparent of the Margraviate of Baden."]], ["Princess Josephine of Baden", ["Princess Josephine Friederike Luise of Baden( 21 October 1813 \u2013 19 June 1900) was born at Mannheim, the second daughter of Charles, Grand Duke of Baden and his wife, St\u00e9phanie de Beauharnais.", "Through her son, Carol I, she is the ancestress of the Romanian royal family and the Yugoslav Royal family.", "Through her younger daughter Marie, she is also the ancestress of the Belgian royal family and the Grand Ducal family of Luxembourg."]], ["Frederick II, Grand Duke of Baden", ["Frederick II( 9 July 1857 \u2013 9 August 1928) was the last sovereign Grand Duke of Baden, reigning from 1907 until the abolition of the German monarchies in 1918.", "The state of Baden originated from the area of the Grand Duchy.", "In 1951- 1952, it became part of the new state of Baden- W\u00fcrttemberg."]], ["Louis II, Grand Duke of Baden", ["Louis II, Grand Duke of Baden( 15 August 1824 \u2013 22 January 1858) was the son of Leopold I, Grand Duke of Baden and Sophie of Holstein- Gottorp, Princess of Sweden.", "Louis succeeded his father as Grand Duke of Baden on 24 April 1852.", "His brother Frederick acted as regent, because Louis suffered from mental illness.", "However, in 1856, Frederick became grand duke as well.", "He was also an honorary citizen of Karlsruhe."]], ["Nikolaus, Hereditary Grand Duke of Oldenburg", ["Nikolaus, Hereditary Grand Duke of Oldenburg( 10 August 18973 April 1970) was the eldest son of Frederick Augustus II, Grand Duke of Oldenburg, who was the last ruling Grand Duke of Oldenburg.", "In 1931, Nikolaus succeeded to his father's titles and assumed the role of pretender to the Grand Duchy, until his death in 1970."]], ["Princess Amalia of Nassau-Dietz", ["Princess Amalia of Nassau- Dietz( Anna Charlotte Amalie; \u2013 18 September 1777) was the wife of Frederick, Hereditary Prince of Baden- Durlach, and mother of Charles Frederick, the first Grand Duke of Baden."]], ["St\u00e9phanie de Beauharnais", ["St\u00e9phanie, Grand Duchess of Baden( St\u00e9phanie Louise Adrienne de Beauharnais; August 28, 1789 \u2013 January 29, 1860) was a French princess and the Grand Duchess consort of Baden by marriage to Karl, Grand Duke of Baden."]], ["Charles, Grand Duke of Baden", ["Charles (Karl Ludwig Friedrich; 8 July 1786 \u2013 8 December 1818) became ruler of the Grand Duchy of Baden as its grand duke on 11 June 1811 and reigned until his death in 1818.", "He was born in Karlsruhe."]], ["Frederick I, Grand Duke of Baden", ["Frederick I( 9 September 1826 \u2013 28 September 1907) was the sovereign Grand Duke of Baden, reigning from 1856 to 1907."]]]
supporting_facts: [["Charles, Grand Duke of Baden", 0], ["Charles Louis, Hereditary Prince of Baden", 0]]
evidences: [["Charles, Grand Duke of Baden", "father", "Karl Ludwig"], ["Charles Louis, Hereditary Prince of Baden", "date of birth", "14 February 1755"]]
answer: 14 February 1755