question: Who is Hermann, Prince Of Hohenlohe-Langenburg's paternal grandfather?
context: [["Fujiwara no Nagara", [", also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.", "He was the grandfather of Emperor Y\u014dzei."]], ["Henry Bryant (naturalist)", ["Henry Bryant( May 12, 1820 \u2013 February 2, 1867) was an American physician and naturalist.", "He was the grandfather of Henry Bryant Bigelow."]], ["Prithvipati Shah", ["Prithvipati Shah( ?\u20131716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.", "He was the grandfather of Nara Bhupal Shah."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Guillaume Wittouck", ["Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.", "He was the Grandfather of industrialist Paul Wittouck."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Ernst I, Prince of Hohenlohe-Langenburg", ["Ernst Christian Carl, 4th Prince of Hohenlohe-Langenburg (7 May 1794 \u2013 12 April 1860).", "He was the son of Prince Charles Louis of Hohenlohe-Langenburg and Countess Amalie Henriette of Solms-Baruth."]], ["Kaya Alp", ["Kaya Alp was, according to Ottoman tradition, the son of K\u0131z\u0131l Bu\u011fa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertu\u011frul, and the great grandfather of the Ottoman Empire founder, Osman I."]], ["Hermann, Prince of Hohenlohe-Langenburg", ["Hermann Ernst Franz Bernhard, Prince of Hohenlohe-Langenburg (31 August 1832 \u2013 9 March 1913) was the 6th Prince of Hohenlohe-Langenburg and the second son of Ernst I, Prince of Hohenlohe-Langenburg and Princess Feodora of Leiningen (half-sister of Queen Victoria).", "He succeeded to the title of Prince of Hohenlohe-Langenburg (\"F\u00fcrst zu Hohenlohe-Langenburg\") on 21 April 1860, when his elder brother signed over his rights to the throne.", "He died on 9 March 1913 in Langenburg, Kingdom of W\u00fcrttemberg, German Empire (present-day Baden-W\u00fcrttemberg, Germany)."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]]]
supporting_facts: [["Hermann, Prince of Hohenlohe-Langenburg", 0], ["Ernst I, Prince of Hohenlohe-Langenburg", 1]]
evidences: [["Hermann", "father", "Ernst I, Prince of Hohenlohe-Langenburg"], ["Ernst I, Prince of Hohenlohe-Langenburg", "father", "Charles Louis"]]
answer: Charles Louis