Du Zhenglun () (died 658?) was a Chinese politician of the

Chinese Chinese can refer to: * Something related to China * Chinese people, people of Chinese nationality, citizenship, and/or ethnicity **''Zhonghua minzu'', the supra-ethnic concept of the Chinese nation ** List of ethnic groups in China, people of va ...

dynasties

Sui Dynasty The Sui dynasty (, ) was a short-lived imperial dynasty of China that lasted from 581 to 618. The Sui unified the Northern and Southern dynasties, thus ending the long period of division following the fall of the Western Jin dynasty, and layi ...

and

Tang Dynasty The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...

, serving as

chancellor Chancellor ( la, cancellarius) is a title of various official positions in the governments of many nations. The original chancellors were the of Roman courts of justice—ushers, who sat at the or lattice work screens of a basilica or law cou ...

during the reign of Emperor Gaozong of Tang.

During Sui Dynasty

It is not known when Du Zhenglun was born, but it is known that he was from what would eventually become Xiang Prefecture (相州, in modern

Handan Handan is a prefecture-level city located in the southwest of Hebei province, China. The southernmost prefecture-level city of the province, it borders Xingtai on the north, and the provinces of Shanxi on the west, Henan on the south and Shando ...

Hebei Hebei or , (; alternately Hopeh) is a northern province of China. Hebei is China's sixth most populous province, with over 75 million people. Shijiazhuang is the capital city. The province is 96% Han Chinese, 3% Manchu, 0.8% Hui, an ...

). During the ''Renshou'' era (601-604) of

's founding emperor Emperor Wen, Du Zhenglun and his older brothers Du Zhengxuan () and Du Zhengzang () all passed the

imperial examination The imperial examination (; lit. "subject recommendation") refers to a civil-service examination system in Imperial China, administered for the purpose of selecting candidates for the state bureaucracy. The concept of choosing bureaucrats by ...

. As Sui Dynasty imperial examinations were considered unusually difficult—with only 10-odd examinees passing each year—the Du household received great acclaim for having three brothers who did so. It was said that Du Zhenglun was capable in literature, particularly in explaining meanings of passages. He later served as a military officer in the Sui imperial government.

During Emperor Gaozu's reign

During the reign of Sui's successor dynasty

's founder Emperor Gaozu, Du Zhenglun was initially serving as the military advisor to the commandant at Qi Prefecture (齊州, roughly modern

Jinan Jinan (), Postal Map Romanization, alternately romanization of Chinese, romanized as Tsinan, is the Capital (political), capital of Shandong province in East China, Eastern China. With a population of 9.2 million, it is the second-largest city i ...

Shandong Shandong ( , ; ; alternately romanized as Shantung) is a coastal province of the People's Republic of China and is part of the East China region. Shandong has played a major role in Chinese history since the beginning of Chinese civilizati ...

). Emperor Gaozu's son, the major general Li Shimin the Prince of Qin became aware of Du's talents, and invited him to serve as a resident scholar at Li Shimin's mansion.

During Emperor Taizong's reign

In 626, Li Shimin became emperor (as Emperor Taizong). One of his key advisors, Wei Zheng, recommended Du Zhenglun's talent and stated that there were few people as talented. Emperor Taizong then made Du an official at the ministry of defense in 627. In 628, Du was made imperial attendant and put in charge of recording Emperor Taizong's acts for imperial archives. On one occasion, Emperor Taizong stated, "Everyday, as I sit in judgment of important matter and get ready to speak, I think carefully about whether what I have to say has any benefit or harm to the people. That is why I do not speak a lot." Du responded, "Whatever an emperor says is recorded in history. As my responsibility is to record Your Imperial Majesty's acts, I have to be honest. If any of your words is improper, it will harm your reputation for a thousand years, and it is not only harmful to the people. May Your Imperial Majesty consider this carefully." Emperor Taizong was pleased with these words and gave Du an award of silk. In 630, Du was promoted to the post of ''Zhongshu Shilang'' (), the deputy head of the legislative bureau of government (中書省, ''Zhongshu Sheng''). In 632, after Du and three other officials, Wei Ting (), Yu Shinan, and Yao Silian had submitted petitions commenting on various imperial acts, Emperor Taizong invited them to a feast, where he thanked them for being honest at danger to themselves (as they risked offending the emperor). Du was soon given titles as imperial advisor and scholar, as well as a member of the staff of Emperor Taizong's

crown prince A crown prince or hereditary prince is the heir apparent to the throne in a royal or imperial monarchy. The female form of the title is crown princess, which may refer either to an heiress apparent or, especially in earlier times, to the wif ...

Li Chengqian—with Emperor Taizong specifically asked to counsel Li Chengqian in proper behavior. In 636, he was again ''Zhongshu Shilang'', but still served on Li Chengqian's staff; he was also created the Marquess of Nanyang. It was said that Du was known for his capability in handling the matters at both palaces (i.e., the emperor's palace and the crown prince's palace). However, soon Du drew both the emperor's and the crown prince's ires. At that time, Li Chengqian was suffering from a foot ailment that made it difficult for him to walk, and therefore he did not see Emperor Taizong often, but instead spent his time in frivolous activities with associates that Emperor Taizong disapproved of. Emperor Taizong told Du: Du made several suggestions to Li Chengqian, asking him to change his ways, but Li Chengqian did not do so. Du told Li Chengqian what Emperor Taizong told him—which led to Li Chengqian immediately submitting an objection to Emperor Taizong. Emperor Taizong asked Du, "Why did you let him know what I said?" Du responded, "He did not listen to me, so I wanted to scare him with your words. I hoped that he would be scared and would change his ways." Emperor Taizong was still displeased, and he demoted Du to the post of prefect of Gu Prefecture (穀州, in modern

Luoyang Luoyang is a city located in the confluence area of Luo River (Henan), Luo River and Yellow River in the west of Henan province. Governed as a prefecture-level city, it borders the provincial capital of Zhengzhou to the east, Pingdingshan to the ...

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), and later to be the commandant at Jiao Prefecture (交州, roughly modern

Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi is ...

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

). After Li Chengqian was revealed to have plotted with the general Hou Junji to overthrow Emperor Taizong in 643, Du was accused of having received a gold belt from Hou, and he was stripped of his rank and exiled to Huan Prefecture (驩州, also in modern Vietnam). However, later he successively served as the prefect of Ying (郢州, roughly modern

Wuhan Wuhan (, ; ; ) is the capital of Hubei, Hubei Province in the China, People's Republic of China. It is the largest city in Hubei and the most populous city in Central China, with a population of over eleven million, the List of cities in China ...

Hubei Hubei (; ; alternately Hupeh) is a landlocked province of the People's Republic of China, and is part of the Central China region. The name of the province means "north of the lake", referring to its position north of Dongting Lake. The prov ...

) and Shi (石州, roughly modern Lüliang,

Shanxi Shanxi (; ; formerly romanised as Shansi) is a landlocked province of the People's Republic of China and is part of the North China region. The capital and largest city of the province is Taiyuan, while its next most populated prefecture-lev ...

) Prefectures.

During Emperor Gaozong's reign

In 656, Du Zhenglun was serving as the deputy minister of treasury, when Emperor Taizong's son and successor Emperor Gaozong promoted him to serve as ''Huangmen Shilang'' (), the deputy head of the examination bureau (門下省, ''Menxia Sheng''). Emperor Gaozong also gave him the designation of ''Tong Zhongshu Menxia Sanpin'' (), making him a

''de facto''. Du was also created the Duke of Xiangyang. In 657, he was made ''Zhongshu Ling'' (), the head of the legislative bureau and a post considered one for a chancellor. Later that year, he concurred with the official

Liu Xiangdao Liu Xiangdao (劉祥道) (596–666), courtesy name Tongshou (同壽), formally Duke Xuan of Guangping (廣平宣公), was a Chinese politicians of the medieval Chinese Tang Dynasty who served briefly as chancellor during the reign of Emperor Gaozo ...

that there were too many people made imperial officials, and Emperor Gaozong put them in charge of drafting a proposal to reduce the number of officials. However, their proposal ran into much opposition from other officials and was never carried out. Meanwhile, Du was beginning to have conflict with fellow chancellor

Li Yifu Li Yifu (; 614–666) was a Chinese historian, poet, and politician who served as a chancellor of the Tang dynasty, during the reign of the Emperor Gaozong. He became particularly powerful because of his support for the Emperor Gaozong's second ...

, who also carried the title of ''Zhongshu Ling'', as Du considered himself the senior official, but Li, who was an ally of Emperor Gaozong's powerful wife

Empress Wu The asterisk ( ), from Late Latin , from Ancient Greek , ''asteriskos'', "little star", is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star. Computer scientists and mathematicians often voc ...

(later known as Wu Zetian), disrespected Du. They argued frequently before Emperor Gaozong, who rebuked both for not cooperating with each other. On December 6, 658,兩千年中西曆轉換
/ref> Emperor Gaozong demoted both to be prefects—in Du's case, the prefect of Heng Prefecture (橫州, roughly modern

Nanning Nanning (; ; za, Namzningz) is the capital and largest city by population of the Guangxi Zhuang Autonomous Region in Southern China. It is known as the "Green City" because of its abundance of lush subtropical foliage. Located in the South of ...

Guangxi Guangxi (; ; Chinese postal romanization, alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an Autonomous regions of China, autonomous region of the People's Republic ...

). Du was said to have died at Heng Prefecture soon thereafter.

Notes and references

* ''

Old Book of Tang The ''Old Book of Tang'', or simply the ''Book of Tang'', is the first classic historical work about the Tang dynasty, comprising 200 chapters, and is one of the Twenty-Four Histories. Originally compiled during the Five Dynasties and Ten Kingdo ...

'', vol. 7

* ''

New Book of Tang The ''New Book of Tang'', generally translated as the "New History of the Tang" or "New Tang History", is a work of official history covering the Tang dynasty in ten volumes and 225 chapters. The work was compiled by a team of scholars of the So ...

'', vol. 10

* ''

Zizhi Tongjian ''Zizhi Tongjian'' () is a pioneering reference work in Chinese historiography, published in 1084 AD during the Northern Song dynasty in the form of a chronicle recording Chinese history from 403 BC to 959 AD, covering 16 dynast ...

'', vols.

192 Year 192 ( CXCII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Aelius and Pertinax (or, less frequently, year 945 ''Ab urbe condita ...

193 Year 193 ( CXCIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Sosius and Ericius (or, less frequently, year 946 ''Ab urbe condit ...

194 Year 194 ( CXCIV) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Septimius and Septimius (or, less frequently, year 947 '' Ab urbe ...

197 Year 197 ( CXCVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Magius and Rufinus (or, less frequently, year 950 '' Ab urbe con ...

200 __NOTOC__ Year 200 ( CC) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Severus and Victorinus (or, less frequently, year 953 '' Ab ur ...

. {{DEFAULTSORT:Du, Zhenglun 650s deaths Chancellors under Emperor Gaozong of Tang Politicians from Handan Sui dynasty politicians Tang dynasty politicians from Hebei Year of birth unknown