褚遂良
Chu Suiliang (596–658), courtesy name Dengshan, formally the Duke of Henan, was a Chinese calligrapher, historian, and politician who served as a chancellor during the reigns of the emperors Taizong and Gaozong in the Tang dynasty. He became increasingly trusted by Emperor Taizong toward the end of his reign and was charged with the responsibilities of serving as the imperial historian and providing honest advice. After Emperor Taizong's death, Chu was entrusted with the responsibilities of assisting Emperor Gaozong, along with Emperor Gaozong's maternal uncle, Zhangsun Wuji and early in the reign of the young emperor, he and Zhangsun Wuji gained great powers. In 655, over his strenuous opposition to Emperor Gaozong's removal of his first wife, Empress Wang, and replacing her with Empress Wu (later known as Wu Zetian), Chu was demoted, and that began a series of demotions, which was successfully launched by Empress Wu. Eventually to be the prefect of the extremely distant Ai Prefecture (愛州, roughly modern Thanh Hóa Province, Vietnam). He died in exile in 658.