question: Who is Bernhard Iii, Prince Of Anhalt-Bernburg's paternal grandfather?
context: [["Bernhard IV, Prince of Anhalt-Bernburg", ["Bernhard IV, Prince of Anhalt- Bernburg( died 28 June 1354) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Bernburg.", "He was the eldest son of Bernhard III, Prince of Anhalt- Bernburg, by his first wife Agnes, daughter of Rudolf I, Duke of Saxe- Wittenberg and Elector of Saxony."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Bernhard II, Prince of Anhalt-Bernburg", ["Bernhard II, Prince of Anhalt-Bernburg (ca. 1260 \u2013", "aft.", "26 December 1323), was a German prince of the House of Ascania and ruler of the principality of Anhalt-Bernburg.", "He was the third son of Bernhard I, Prince of Anhalt-Bernburg, by his wife Princess Sophie, daughter of King Abel of Denmark."]], ["Otto III, Prince of Anhalt-Bernburg", ["Otto III, Prince of Anhalt- Bernburg( died 27 February 1404) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Bernburg.", "He was the youngest son of Bernhard III, Prince of Anhalt- Bernburg, by his third wife Matilda, daughter of Magnus I, Duke of Brunswick- G\u00f6ttingen."]], ["Henry IV, Prince of Anhalt-Bernburg", ["Henry IV, Prince of Anhalt- Bernburg( died 7 July 1374) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Bernburg.", "He was the second son of Bernhard III, Prince of Anhalt- Bernburg, by his first wife Agnes, daughter of Rudolf I, Duke of Saxe- Wittenberg."]], ["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."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Princess Feodora of Saxe-Meiningen", ["Princess Feodora of Saxe-Meiningen (Feodora Viktoria Auguste Marie Marianne; 12 May 1879 \u2013 26 August 1945) was born at Potsdam, the only child of Bernhard III, Duke of Saxe-Meiningen, and his wife, Princess Charlotte of Prussia (the eldest daughter of Frederick III, German Emperor, and Victoria, Princess Royal).", "Feodora was the first great-grandchild of Queen Victoria."]], ["Bernhard III, Prince of Anhalt-Bernburg", ["Bernhard III, Prince of Anhalt-Bernburg (died 20 August 1348) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Bernburg.", "He was the eldest son of Bernhard II, Prince of Anhalt-Bernburg, by his wife Helene, daughter of Wizlaw II, Prince of R\u00fcgen."]], ["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: [["Bernhard III, Prince of Anhalt-Bernburg", 1], ["Bernhard II, Prince of Anhalt-Bernburg", 3]]
evidences: [["Bernhard III", "father", "Bernhard II, Prince of Anhalt-Bernburg"], ["Bernhard II, Prince of Anhalt-Bernburg", "father", "Bernhard I, Prince of Anhalt-Bernburg"]]
answer: Bernhard I, Prince of Anhalt-Bernburg