Duke Ling of Jin
Duke Ling of Jin (died 607 BC) was from 620 to 607 BC the ruler of the State of Jin, a major power during the Spring and Autumn period of ancient China.
His ancestral name was Ji, given name Yigao, and Duke Ling was his posthumous title.
When his father Duke Xiang of Jin died in 621 BC Yigao was still a young boy.
He ascended the throne with the support of his regent Zhao Dun (趙盾).
In 607 BC, 14 years after ascending the throne, Duke Ling had reached adulthood and become increasingly despotic.
He was known to have had his chef killed for not cooking his bear paws well.
Zhao Dun, who enjoyed a reputation for integrity and incorruptibility, tried to stop him.
Resentful of Zhao Dun's influence, Duke Ling tried to have Zhao assassinated.
Zhao Dun managed to escape, and his half-brother Zhao Chuan (趙穿) rebelled and killed Duke Ling.
Zhao Dun and Zhao Chuan then installed Duke Ling's uncle, Duke Wen's youngest son Heitun on the throne, who would be known as Duke Cheng of Jin.
Duke Xiang of Jin
Duke Xiang of Jin (died 621 BC) was from 627 to 621 BC the ruler of the State of Jin, a major power during the Spring and Autumn period of ancient China.
His ancestral name was Ji, given name Huan, and Duke Xiang was his posthumous title.
He succeeded his father Duke Wen of Jin, who was the Hegemon of China.
Marquis Ai of Jin
Marquis Ai of Jin, ancestral name Ji( 姬), given name Guang( 光), was the fifteenth ruler of the state of Jin.
He was also the fifth ruler of Jin in the Spring and Autumn period.
He reigned for nine years.
In 710 BC, the eighth year of his reign, Marquis Ai of Jin attacked a small state south of Jin called Xingting( 陘廷).
The next year, Xingting, allied with Duke Wu of Quwo, sacked Yi( 翼), the capital of Jin.
After getting his half- uncle, Han Wan, to kill an escaping Marquis Ai of Jin, The Zhou king ensured that Ai's son, Marquis Xiaozi of Jin, became the next ruler of Jin.
Duke Xian of Jin
Duke Xian of Jin( died 651 BC), ancestral name Ji( 姬), given name Guizhu( 詭諸), was the nineteenth ruler of the State of Jin.
He was also the ninth ruler of Jin in the Spring and Autumn period and the second duke of Jin.
When his father, Duke Wu of Jin, died in 677 BC, Guizhu ascended the throne of Jin and became Duke Xian of Jin.
He reigned for 26 years.
He moved the capital from Quwo( 曲沃) to Jiang( 絳).
He was named after a Rongdi tribe( 戎狄族) leader Guizhu( 詭諸) whom his father, Duke Wu of Jin, captured alive.
During his reign, the State of Jin was one of the most powerful and largest states due to his conquests in many small neighboring states.
He is also renowned for the slaughter and exile of many royal family members of Jin and for favoring one of his concubines named Li Ji.
Marquis Li of Jin
Marquis Li of Jin, ancestral name Ji( 姬), given name Fu( 福), was the fifth ruler of the state of Jin during the Western Zhou Dynasty.
After his father, Marquis Cheng of Jin, died, he ascended the throne of Jin.
After he died in 859 BC, his son, Yijiu, ascended the throne as the next ruler of Jin: Marquis Jing of Jin.
In 1992, an ancient tomb dating back to the Zhou Dynasty was discovered in Quwo County, Shanxi.
One of the tombs was marked as the tomb of Marquis Li of Jin.
Quwo County is known to be the site of the ancient capital of the state of Jin.
Duke Ling of Qi
Duke Ling of Qi( died 554 BC) was from 581 to 554 BC ruler of the State of Qi, a major power during the Spring and Autumn period of ancient China.
His personal name was Lü Huan( 呂環), ancestral name Jiang( 姜), and Duke Ling was his posthumous title.
Duke
Ling succeeded his father Duke Qing of Qi, who died in 582 BC after 17 years of reign.
Duke Ling of Qin
Duke Ling of Qin (died 415 BC) was from 424 to 415 BC the 25th ruler of the Zhou Dynasty Chinese state of Qin that eventually united China to become the Qin Dynasty.
His ancestral name was Ying (嬴), and Duke Ling was his posthumous title.
Duke Ling's predecessor was his grandfather Duke Huai of Qin.
In 425 BC Qin general Chao (鼌) and other ministers attacked and besieged Duke Huai, and Duke Huai committed suicide.
As Duke Huai's son Crown Prince Zhaozi (昭子) died early, the ministers installed Duke Ling, Zhaozi's son, on the throne.
In 419 BC, the sixth year of Duke Ling's reign, Qin attacked the State of Wei at the city of Shaoliang (少梁, in present-day Hancheng, Shaanxi).
Duke Ling reigned for 10 years and died in 415 BC.
However, the throne was passed to his uncle Duke Jian of Qin, son of Duke Huai and younger brother of Zhaozi.
Duke Ling's own son Shixi, later known as Duke Xian, was exiled to the State of Wei.
Duke Xian would eventually ascend the throne nearly 30 years later, after Duke Jian's grandson Chuzi II was killed.
Marquis Wu of Jin
Marquis
Wu of Jin, Ancestral name is Ji( 姬), given name is Ningzu( 寧族), was the third ruler of the state of Jin during the Western Zhou Dynasty.
After his father, Xie, Marquis of Jin died, he ascended the throne of Jin.
After he died, his son, Furen, ascended the throne as the next ruler of Jin: Marquis Cheng of Jin.
Duke Cheng of Jin
Duke Cheng of Jin (died 600 BC) was from 606 to 600 BC the ruler of the State of Jin, a major power during the Spring and Autumn period of ancient China.
His ancestral name was Ji, given name Heitun, and Duke Cheng was his posthumous title.
He was the youngest son of Duke Wen of Jin, and succeeded his nephew Duke Ling of Jin, when Zhao Dun and Zhao Chuan killed Duke Ling and installed Heitun on the throne.
During the seven years of Duke Cheng's reign Jin attacked the states of Zheng, Chu, Qin, and Chen.
Duke Cheng died in 600 BC and was succeeded by his son Duke Jing of Jin.
Marquis Xi of Jin
Marquis Xi of Jin, ancestral name Ji( 姬), given name Situ( 司徒), was the seventh ruler of the state of Jin during the Western Zhou Dynasty.
After his father Marquis Jing of Jin died, he ascended the throne of Jin.
In 823 BC, the 18th year of his reign, he died and his son Ji, ascended the throne as the next ruler of Jin: Marquis Xian of Jin.

Question: Who is Duke Ling Of Jin's paternal grandfather?