Pang Xun
Pang Xun( 龐勛)( died October 14, 869) was the leader of a major rebellion, by soldiers from Xu Prefecture( 徐州, in modern Xuzhou, Jiangsu), against the rule of Emperor Yizong of the Chinese dynasty Tang Dynasty, from 868 to 869.
He was eventually defeated by the Tang general Kang Chengxun, who was assisted by the Shatuo general Zhuye Chixin.
Xu Shang
Xu Shang( 徐商), courtesy name Yisheng( 義聲) or Qiuqing( 秋卿), formally Viscount of Dongguan( 東莞子), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Yizong of Tang.
Zhao Yin
Zhao Yin( died 881), courtesy name Dayin( 大隱), formally the Count of Tianshui( 天水伯), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reigns of Emperor Yizong and Emperor Yizong's son Emperor Xizong.
Emperor Yizong of Tang
Emperor Yizong of Tang( December 28, 833 – August 15, 873), né Li Wen, later changed to Li Cui, was an emperor of the Tang dynasty of China.
He reigned from 859 to 873.
Yizong was the eldest son of Emperor Xuanzong.
After Emperor Xuanzong's death in 859, Emperor Yizong was placed on the throne by the eunuch Wang Zongshi( 王宗實), who killed other eunuchs supporting another son of Emperor Xuanzong, Li Zi the Prince of Kui.
According to traditional historians, Emperor Yizong did not pay much attention to governmental affairs but instead chose to live in opulence, became an alcoholic and surrounded himself with women while his government levied heavy taxes on its citizens.
A deeply devout Buddhist, even more so than his father, he would hold grand Buddhist ceremonies throughout the year as well as ordering frequent musical performances in the palace.
If the entertainment was to his liking, Yizong would not only reward the entertainers greatly but also bestow governmental ranks.
Emperor Yizong eventually exhausted the empire's treasury that had accumulated during his father's administration.
Extreme hardships, including famines that forced people to resort to cannibalism, led to widespread agrarian rebellions late in his reign.
Those rebellions would plague the reign of his son Emperor Xizong and doom Tang.
Emperor Jingzong of Western Xia
Emperor Jingzong of Western Xia (1003–1048), born Li Yuanhao , or Tuoba Yuanhao , was the first emperor of the Western Xia Empire located in northwestern China, reigning from 1038 to 1048.
He was the eldest son of the Tangut ruler Li Deming.
Liu Ye (Tang dynasty)
Liu Ye( 劉鄴)( died January 24, 881?), courtesy name Hanfan( 漢藩), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reigns of Emperor Yizong and Emperor Yizong's son Emperor Xizong.
Liu Zhan
Liu Zhan( 劉瞻)( died September 29, 874), courtesy name Jizhi( 幾之), was an official of the Chinese Tang dynasty, serving as a chancellor during the reigns of Emperor Yizong and( briefly) Emperor Yizong's son Emperor Xizong.
Emperor Renzong of Western Xia
Emperor Renzong( 1124–1193), born Li Renxiao 李仁孝, was the 5th emperor of the Western Xia( reigned 1139 – 1193).
Li Renxiao was the eldest son of Emperor Chongzong, and succeeded him at the age of sixteen.
After ascending into the throne, Renzong made friendly overtures to the Jin Dynasty.
In domestic politics, Renzong created many schools and used examinations to choose his officials.
He respected Confucianism, and built many temples worshipping Confucius.
During era Tian
Sheng, Renzong hired a Tibet lama as a religious advisor and printed many copies of Buddhist teachings.
In 1170, Renzong discovered a plot to kill him.
He executed the generals who were behind the plot.
As a result, Renzong distrusted his army generals and the army began to fall into incompetence.
During his later years, Western Xia began to fight wars against various enemies.
Renzong's reign was the peak of Western Xia Dynasty.
Many tribes to the north and west became vassal states of Western Xia, and Renzong's focus on internal politics allowed the central government to be more efficient.
His reign coincides with the peak of the Southern Song and the Jin Dynasties, and there were relatively few conflicts between these three countries.
He died in 1193 having reigned for over half a century like his father before him.
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 Yōzei.
Emperor Yizong of Western Xia
Emperor Yizong (1047–1068), born Li Liangzuo 李諒祚, was the 2nd emperor of the Western Xia
(reigned 1048–1067).
After the death of his father, Li Yuanhao, in 1048, Yizong assumed the throne at the age of one, but most of the power laid in the hands of his mother the Dowager Empress.
In 1049, the Liao Dynasty attacked Western Xia and forced it to become a vassal state.
In 1056, the Dowager was killed and Yizong's uncle, Mozang Epang (沒藏訛龐), became the regent.
In 1061, Yizong's uncle and cousin plotted against him, so he had them executed and assumed direct control of Western Xia.
Yizong expanded the central government, adding many offices.
He made the armies more efficient and improved his control over faraway states.
Yizong began to attack Song Dynasty and raided their villages.
He also forced the Turpan leader to surrender.
In later years, Yizong began to improve diplomatic relationships with the Song and Liao dynasties.
He died suddenly in 1068.

Question: Who is Emperor Yizong Of Western Xia's paternal grandfather?