Duke Ai of Qi
Duke Ai of Qi (reigned 9th century BC) was the fifth recorded ruler of the ancient Chinese state of Qi during the Western Zhou Dynasty.
His personal name was Lü Buchen (呂不辰),
ancestral name Jiang (姜), and Duke Ai was his posthumous title.
Duke Ai succeeded his father Duke Gui of Qi as ruler of Qi.
Duke Ai had a dispute with the marquis of Qi's neighbouring state Ji (紀).
King Yi of Zhou sided with Marquis of Ji and executed Duke Ai by boiling him to death.
King Yi installed Duke Ai's younger half-brother Jing on the throne, later known as Duke Hu of Qi.
Fu Rong
Fu Rong( 苻融)( died 383), courtesy name Boxiu( 伯休), formally Duke Ai of Yangping( 陽平哀公), was an official and general of the Chinese/ Di state Former Qin.
He was a younger brother of Fu Jiān, the third emperor of the state.
Duke Hu of Qi
Duke Hu of Qi
(reigned 9th century BC) was the sixth recorded ruler of the ancient Chinese state of Qi during the Western Zhou Dynasty.
His personal name was Lü Jing (呂靜),
ancestral name Jiang (姜), and Duke Hu was his posthumous title.
Duke Hu was a younger son of Duke Gui of Qi.
When Duke Gui died, Duke Hu's older half-brother Buchen ascended the throne, to be posthumously known as Duke Ai of Qi.
Duke Ai had a dispute with the marquis of Qi's neighbouring state Ji (紀).
King Yi of Zhou sided with Marquis of Ji and executed Duke Ai by boiling him to death.
King Yi then installed Duke Hu on the throne.
Duke Hu moved the capital of Qi from Yingqiu (later known as Linzi) to Bogu.
The move was resented by the people of Yingqiu, who rebelled under the leadership of Duke Hu's half-brother Shan, who was the younger full-brother of Duke Ai.
Duke Hu was killed and Shan ascended the throne, to be known as Duke Xian of Qi.
Marquess Wen of Han
Marquess Wen of Han
(Chinese: 韩文侯; pinyin: Hán Wénhóu) (died 377 BC), ancestral name Jì (姬), clan name Hán (韩), personal name unknown, was the ruler of the State of Han between 386 BC and until his death in 377 BC.
He was the son of Marquess Lie of Han.
Marquess Wen saw a rise in the state's prosperity and consequently launched several military campaigns.
In 385 BC, Marquess Lie attacked the State of Zheng and took Yangcheng.
In the same year, Han attacked the State of Song, reaching Pengcheng, and took the Duke Dao of Song prisoner.
In 380 BC, an alliance of Han, Zhao, and Wei attacked the State of Qi, reaching Sangqiu.
2 years later in 378 BC, the alliance attacked Qi again, reaching Lingqiu.
Marquess Wen died in 377 BC and was succeeded by his son Marquess Ai of Han.
Ziyu (Han Clan)
Ziyu( Chinese: 子舆; pinyin: Hán Zǐyú), ancestral name Jì( 姬), clan name Hán( 韩), personal name Yú( 舆), and posthumously known as Ziyu of Han, was the fourth head of the House of Han.
He was the son of Dingbo of Han.
Ziyu was succeeded by his son Xianzi of Han.
Marquess Ai of Han
Marquess Ai of Han
(Chinese: 韩哀侯; pinyin: Hán Āihóu)
(died 374 BC), ancestral name Jì (姬), clan name Hán (韩), personal name unknown, was the ruler of the State of Han between 376 BC and until his death in 374 BC.
He was the son of Marquess Wen of Han.
In 376 BC, Han, Wei, and Zhao deposed Duke Jing of Jin.
They then divided his land, marking the end of Jin state.
The following year, after two unsuccessful invasions, Han annexed Zheng.
It then moved the capital to Xinzheng (a city in Henan).
At this time, its territory contains south-eastern part of Shanxi and central part of Henan.
According to "Zizhi Tongjian", Marquess Ai appointed Gui Han to be the Prime Minister, but was much closer to Minister Sui Yan.
They were archenemies of each other.
In 374 BC, Minister Han plotted to assassinate Yan at the court.
Han walked to Ai, who then hugged him.
As a result, both were killed by the assassin.
However, "Records of the Grand Historian" tells a different story:
Ai was murdered by Han and Yan, and it was not an accident.
The succession then passed to Marquess Gong, son of Ai.
He later moved the capital back to Yangzhai.
King Yi of Zhou (Xie)
King Yí of Zhou  was the ninth king of the Chinese Zhou Dynasty.
Estimated dates of his reign are 885–878 BC or 865–858 BC.
He was preceded by his uncle, King Xiao of Zhou, who may have overthrown his father.
In the third year of his reign, King Yi sided with Marquis of Ji in a dispute with Duke Ai of Qi and executed Duke Ai by boiling him to death in a large cauldron.
King Yi installed Duke Ai's younger half-brother Jing on the throne, later known as Duke Hu of Qi.
During his reign there were wars in the south with the State of Chu and the Dongyi.
According to the Shiji, during his reign the royal power was not strong and the regional rulers failed to pay obeisance to the court.
He was succeeded by his son, King Li of Zhou.
Duke Xian of Qi
Duke Xian of Qi (died 851 BC) was from 859 to 851 BC the seventh recorded ruler of the State of Qi during the Western Zhou Dynasty of ancient China.
His personal name was Lü Shan (呂山),
ancestral name Jiang (姜), and Duke Xian was his posthumous title.
Duke Xian was a younger son of Duke Gui of Qi.
When Duke Gui died, Duke Xian's older brother Buchen ascended the throne, to be posthumously known as Duke Ai of Qi.
Duke Ai had a dispute with the marquis of Qi's neighbouring state Ji (紀).
King Yi of Zhou sided with Marquis of Ji and executed Duke Ai by boiling him to death.
King Yi then installed Jing, a half-brother of Duke Ai and Duke Xian, on the throne, to be posthumously known as Duke Hu of Qi.
Duke Hu moved the capital of Qi from Yingqiu (later known as Linzi) to Pugu (or Bogu).
The move was resented by the people of Yingqiu, who rebelled under the leadership of Duke Xian.
Duke Hu was killed and Duke Xian ascended the throne.
Duke Xian expelled the sons of Duke Hu and moved the capital back to Linzi.
He reigned for 9 years and died in 851 BC.
He was succeeded by his son, Duke Wu of Qi.
Duke Ai of Qin
Duke Ai of Qin (died 501 BC) was from 536 to 501 BC the nineteenth ruler of the Zhou Dynasty state of Qin that eventually united China to become the Qin Dynasty.
His ancestral name was Ying (嬴), and Duke Ai was his posthumous title.
Duke Ai succeeded his father Duke Jing of Qin, who died in 537 BC, as ruler of Qin.
Qiubo of Han
Qiubo of Han( Chinese: 韩赇伯; pinyin: Hán Qiú Bó), ancestral name Jī( 姬), clan name Hán( 韩), personal name unknown, and posthumously known as Qiubo of Han, was the second head of the House of Han.
He was the son of Wuzi of Han.
Qiubo was succeeded by his son Dingbo of Han.

Question: Who is Marquess Ai Of Han's paternal grandfather?