question: Who is Chey Chettha Iii's paternal grandfather?
context: [["Outey I", ["Outey I( 1672 \u2013 1696), also known as\" Udayaraja IINarai Ramathipadi II\" or\" Chey Chettha V\", born Ang Yong, was the Cambodian king reigned from 1695 to 1696.", "Outey I was a son of Kaev Hua II.", "He succeeded the king after his uncle Chey Chettha IV's first abdication.", "He reigned only ten months, died suddenly.", "Chey Chettha IV then regained power."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Batom Reachea", ["Batom Reachea (born Ang Non ; 1616\u20131642) was King of Cambodia from 1640 to 1642.", "Ang Non was the eldest son of the \"uprayorach\" (\u17a7\u1797\u1799\u17c4\u179a\u17b6\u1787, \"Great Joint King\")", "Outey.", "Ang Non married Princess Ang Na Kshatriyi, whom was the daughter of King Chey Chettha II and his Vietnamese spouse Neak Ang Chov .", "King Ang Tong Reachea died in 1640.", "Although Ponhea Chan should be the next king, Outey forced Chan to give the crown to Ang Non.", "Chan was dissatisfied.", "With the help of Cham and Malay mercenaries, Chan assassinated Outey on 5 January 1642.", "In the same time Batom Reachea was away on a hunting trip.", "Chan captured him and had him executed in Oudong."]], ["Chey Chettha II", ["Chey Chettha II( 1576 \u2013 1628) was a king of Cambodia who reigned from Oudong, about 40 km northwest of modern- day Phnom Penh, from 1618 to 1628.", "He was the son of King Srei Soriyopear( r. 1603- 1618).", "He is noted for moving the royal capital from Srei Sonthor to Oudong, and for his cooperation with the Nguy\u1ec5n Lords of Vietnam against the Siamese, which led to the Vietnamese annexation of the Mekong Delta, including the city of Prey Nokor \u2014 the precursor of modern- day Ho Chi Minh City.", "In order to balance the influence of the Siamese forces, which had devastated the previous capital at Lovek during the reign of his father, Chey Chettha approached the Nguy\u1ec5n lord for help.", "To cement the resulting alliance, Chey Chettha was married to Princess Nguy\u1ec5n Ph\u00fac Ng\u1ecdc V\u1ea1n, a daughter of Lord Nguy\u1ec5n Ph\u00fac Nguy\u00ean, in 1618.", "In return, the king granted the Vietnamese the right to establish settlements in M\u00f4 Xo\u00e0i( now B\u00e0 R\u1ecba), in the region of Prey Nokor \u2014 which they colloquially referred to as\" S\u00e0i G\u00f2n\", and which later became Ho Chi Minh City.", "In 1623, Chey Chettha allowed the Vietnamese to set up a custom house at Prey Nokor, in order to collect taxes.", "This settlement was the start of a major expansion by the Vietnamese beyond the borders established by L\u00ea Th\u00e1nh T\u00f4ng in 1471.", "The increasing waves of Vietnamese settlers which followed overwhelmed Chey Chettha II's kingdom \u2014 weakened as it was due to war with the Siamese\u2014and slowly Vietnamized the Mekong Delta area, claiming it for their own in the 1690s.", "The Dutch East India Company established ties with Cambodia in 1620, during Chey Chettha's reign; in 1623, they established an outpost at Kompong Luong, a riverside port near Oudong."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Chey Chettha III", ["Chey Chettha III (1639\u20131673) or Batom Reachea II was a Cambodian king during the Dark ages of Cambodia.", "He reigned from 1672 to 1673.", "Chey Chettha III was the only son of Batom Reachea.", "In 1671, he became the son-in-law of his uncle, King Barom Reachea V, by marrying his eldest daughter, Princess Sri Thida Kshatriyi.", "In December 1672, he murdered his father-in-law and seized the throne, and forced his cousin Bhagavatti Dav Kshatriyi (also the wife of his uncle Prince Ang Tan) to be his wife.", "Chey Chettha III was assassinated by the Chams and Malays in the employ of his wife, Gama Kshatriyi, just five months after his coronation, in April (or May) 1673."]], ["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)."]], ["Chey Chettha IV", ["Chey Chettha IV( 1656\u20131725), born Ang Sor, was a Cambodian king during Dark ages of Cambodia( r. 1675\u20131695, 1696\u20131700, 1701\u20131702, 1705\u20131706).", "He was the second son of Barom Reachea V( or Barom Reachea VIII) and also a younger brother of Kaev Hua II.", "Vietnamese army attacked Phnom Penh, the king Kaev Hua II fled into forest.", "Ang Sor surrendered to Vietnamese.", "He was crowned the Cambodian king by Vietnamese, while Ang Nan( Padumaraja III) was crowned the vice king( uparaja).", "Chey Chettha IV occupied Longvek, Padumaraja III occupied Prey Nokor( Saigon).", "Both of them paid tribute to Vietnamese Nguy\u1ec5n lord.", "In 1688, D\u01b0\u01a1ng Ng\u1ea1n \u0110\u1ecbch, a Chinese adventurer and also a general of Nguy\u1ec5n lord, was murdered by Ho\u00e0ng Ti\u1ebfn( \u9ec3\u9032).", "Ho\u00e0ng Ti\u1ebfn occupied M\u1ef9 Tho and revolted against Nguy\u1ec5n lord.", "Ho\u00e0ng Ti\u1ebfn also attacked Cambodia.", "Using this excuse, Chey Chettha IV started to building fortifications and did not pay tribute to Nguy\u1ec5n lord.", "In the same year the rebellion was put down, Chey Chettha had to pay tribute like before.", "Chey Chettha IV abdicated in favour of his son", "Outey I in 1695.", "In the next year Outey I died, Chey Chettha IV restored.", "Nguy\u1ec5n H\u1eefu C\u1ea3nh was sent to Saigon by Nguy\u1ec5n lord to expand his southern territory.", "It violated Cambodia's advantages; Chey Chettha IV tried to drive them out, however, he was defeated.", "In 1700, Vietnamese army captured Phnom Penh.", "The vice king( uparaja) Ang Em( Barom Ramadhipati) surrendered to Vietnamese, and ascended the throne.", "Chey Chettha IV surrendered in the next year, he was allowed to restore.", "Chey Chettha IV abdicated in favour of his son Thommo Reachea III in 1702.", "Chey Chettha IV then married a daughter to the vice king Ang Em. But, Thommo Reachea III drove out Ang Em with the help of Ayutthaya Kingdom.", "Ang E m fled to Saigon, in there he was supported by Nguy\u1ec5n lord.", "A Vietnamese army under Nguy\u1ec5n C\u1eedu V\u00e2n( \u962e\u4e45\u96f2) invaded Cambodia again.", "Thommo Reachea", "III fled to Ayutthaya Kingdom.", "Ang E m came back to Cambodia and lived in Longvek.", "Chey Chettha IV was installed as the king by Vietnamese.", "He abdicated in 1706, and Thommo Reachea III crowned the king again.", "With the help of Ayutthaya Kingdom, Thommo Reachea III came back to Cambodia, and captured Longvek in 1714.", "A Vietnamese army under Tr\u1ea7n Th\u01b0\u1ee3ng Xuy\u00ean and Nguy\u1ec5n C\u1eedu Ph\u00fa( \u962e\u4e45\u5bcc) was sent to Cambodia to help Ang Em.", "They besieged Longvek.", "Chey Chettha IV and Thommo Reachea III were forced to flee to Ayutthaya Kingdom."]], ["Chey Chettha I", ["Chey Chettha I( 1575\u2013 1595) was the Cambodian king ruled from 1584 to 1595.", "Chey Chettha was the second son of Satha I.", "He was appointed the heir apparent when he was eleven.", "He was crowned by his father in 1584.", "In 1594, Cambodia was attacked by Siamese.", "After Siamese army reaching Lovek, Chey Chettha assumed his uncle Soryopor the direct command of the defenses.", "Chey Chetta fled the capital together with his father Satha, first to Srey Santhor, then to Stung Treng.", "He died there in 1596 without heir."]]]
supporting_facts: [["Chey Chettha III", 0], ["Batom Reachea", 2]]
evidences: [["Chey Chettha III", "father", "Batom Reachea I"], ["Batom Reachea", "father", "Outey"]]
answer: Outey