question: Who is the paternal grandfather of George I Ghisi?
context: [["George I Ghisi", ["George I Ghisi  (died 15 March 1311) was a Latin feudal lord in medieval Greece.", "A son of Bartholomew I Ghisi, through his first marriage to a daughter of Guy II of Dramelay", "he was Baron of Chalandritsa in the Principality of Achaea.", "In 1292, he was also named as castellan of Kalamata.", "In that year, following a series of destructive raids in the Greek and Latin-held islands of the Aegean Sea, the Aragonese admiral Roger of Lauria led his fleet to anchor at Navarino.", "Fearful lest the Aragonese seize possession of lands in Achaea, or repeat their plundering raids, and", "with Prince Florent of Hainaut absent in Italy, George assembled two hundred knights at Androusa and attacked the Aragonese.", "In a brief but bloody combat, the Achaeans were defeated and George captured, only to be ransomed for 8,000 \"hyperpyra\" shortly after when the Aragonese fleet sailed to Glarentsa.", "In 1303, when his father died, he inherited the lordship of the Aegean islands of Tinos, Mykonos, with fiefs on Serifos and Keos.", "Through his second wife, Alice dalle Carceri, he also became triarch of Negroponte (Euboea).", "He was killed in the Battle of the Cephissus against the Catalan Company in 1311.", "According to A. Bon, his wife Alice died in 1313."]], ["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."]], ["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."]], ["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."]], ["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."]], ["Bartholomew I Ghisi", ["Bartholomew I Ghisi (died 1303) was the Venetian hereditary lord of the islands of Tenos and Mykonos in the Cyclades in Frankish Greece.", "He was the son of the conqueror of these islands, Andrea Ghisi, and lived to a very advanced age (he is recorded as \"very old\" in 1290).", "He was succeeded by his son, George I Ghisi."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["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)."]]]
supporting_facts: [["George I Ghisi", 1], ["Bartholomew I Ghisi", 1]]
evidences: [["George I Ghisi", "father", "Bartholomew I Ghisi"], ["Bartholomew I Ghisi", "father", "Andrea Ghisi"]]
answer: Andrea Ghisi