question: Who is Marian Danysz'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."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Guillaume Wittouck", ["Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.", "He was the Grandfather of industrialist Paul Wittouck."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["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."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Jan Kazimierz Danysz", ["Jean Danysz (11 March 1884 \u2013 4 November 1914) born Jan Kazimierz Danysz, was a French physicist of Polish extraction.", "He was an assistant of Maria Sk\u0142odowska-Curie and notable in the development of beta spectrometry.", "Danysz made considerable advances on the magnetic deflection techniques of Baeyer, Hahn and Meitner, placing the source (he used radium) in a capillary tube under a slit, with a photographic plate in the same horizontal plane.", "By this means the known number of lines (later understood to be conversion lines) superimposed on the beta energy spectrum of RaB + RaC", "went from 9 to 27 (later work by Robinson and Rutherford found 64; 16 from RaB and 48 from RaC).", "He finished his doctoral thesis in 1913, and by 1914 he was considered by Rutherford as a leading researcher into beta decay, but he did no further work.", "He enlisted in the French army in 1914 and was killed in action near Cormicy."]], ["Marian Danysz", ["Marian Danysz (March 17, 1909 \u2013 February 9, 1983) was a Polish physicist.", "Son of Jan Kazimierz Danysz.", "In 1952, he co-discovered with Jerzy Pniewski a new kind of matter, an atomic nucleus, which alongside a proton and neutron contains a third particle: the lambda hyperon .", "Ten years later, they obtained a hypernucleus in excited state, and the following year a hypernucleus with two lambda hyperons."]], ["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."]]]
supporting_facts: [["Marian Danysz", 1], ["Jan Kazimierz Danysz", 0]]
evidences: [["Marian Danysz", "father", "Jan Kazimierz Danysz"], ["Jan Kazimierz Danysz", "father", "Jean Danysz"]]
answer: Jean Danysz