Question: Who is Kaev Hua Ii's paternal grandfather?

Knowledge 1: Kaev Hua II
Preah Keo II (born Ang Chee ; 1652–1677) also known as Kaev Hua II or Keo Fa II was a Cambodian king during the Dark ages of Cambodia.He reigned from 1673 to 1674.He was the son of Barom Reachea V.
During his reign Preah Keo II came into conflict with Prince Ang Nan.With the help of the Ayutthaya Kingdom, he drove out Ang Nan to Vietnam.Ang Nan sought help from the Vietnamese Nguyễn lord and the Vietnamese army under Nguyễn Dương Lâm and Nguyễn Đình Phái invaded Cambodia, captured Prey Nokor (Saigon), then attacked Phnom Penh.Preah Keo II was defeated, and retreated into forest.There, he continued fighting against the Vietnamese until he was killed in 1677. [SEP] Knowledge 2: Barom Reachea V
Barom Reachea V or Barom Reachea VIII (born Ang Sô ; 1628–December 1672) was King of Cambodia from 1658 to 1672.AngSo was second son of regent Outey.In 1658, Ponhea Chan (Sultan Ibrahim) overthrew Outey and massacred his family.Ang So and his brother Ang Tan revolted against Chan.At first they were defeated and took refuge by Neak Ang Chov .The latter convinced them to seek help from Huế.Reinforced by a Vietnamese army, they took the offensive in October 1658.They defeated and killed their own brother Ang Em, whom had sided with Ponhea Chan, in a naval battle.The Vietnamese captured Chan, locked him in an iron cage and deported to Quảng Bình, where he soon died.Ang So ascended the throne under the name of Barom Reachea V. For Huế's help, Cambodia granted permission to the Vietnamese to settle in Cambodia, to own lands and agreed to pay tribute to Huế.In December 1672, he was killed and usurped by his nephew Chey Chettha III.
Knowledge 1: Barom Reachea V
Barom Reachea V or Barom Reachea VIII (born Ang Sô ; 1628–December 1672) was King of Cambodia from 1658 to 1672.AngSo was second son of regent Outey.In 1658, Ponhea Chan (Sultan Ibrahim) overthrew Outey and massacred his family.Ang So and his brother Ang Tan revolted against Chan.At first they were defeated and took refuge by Neak Ang Chov .The latter convinced them to seek help from Huế.Reinforced by a Vietnamese army, they took the offensive in October 1658.They defeated and killed their own brother Ang Em, whom had sided with Ponhea Chan, in a naval battle.The Vietnamese captured Chan, locked him in an iron cage and deported to Quảng Bình, where he soon died.Ang So ascended the throne under the name of Barom Reachea V. For Huế's help, Cambodia granted permission to the Vietnamese to settle in Cambodia, to own lands and agreed to pay tribute to Huế.In December 1672, he was killed and usurped by his nephew Chey Chettha III. [SEP] Knowledge 2: Outey I
Outey I( 1672 – 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.
Knowledge 1: Kaev Hua II
Preah Keo II (born Ang Chee ; 1652–1677) also known as Kaev Hua II or Keo Fa II was a Cambodian king during the Dark ages of Cambodia.He reigned from 1673 to 1674.He was the son of Barom Reachea V.
During his reign Preah Keo II came into conflict with Prince Ang Nan.With the help of the Ayutthaya Kingdom, he drove out Ang Nan to Vietnam.Ang Nan sought help from the Vietnamese Nguyễn lord and the Vietnamese army under Nguyễn Dương Lâm and Nguyễn Đình Phái invaded Cambodia, captured Prey Nokor (Saigon), then attacked Phnom Penh.Preah Keo II was defeated, and retreated into forest.There, he continued fighting against the Vietnamese until he was killed in 1677. [SEP] Knowledge 2: Outey I
Outey I( 1672 – 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.

Answer: Outey