李弘
Not much is known about much of Dai Zhide's career as an imperial official, although it was known that he was serving as an assistant to Li Hong, the son and crown prince of Emperor Taizong's son and successor Emperor Gaozong in 671, when Emperor Gaozong and his wife Empress Wu (later known as Wu Zetian) left the capital Chang'an and took up residence at the eastern capital Luoyang, rarely returning to Chang'an thereafter. Emperor Gaozong left Li Hong in charge of Chang'an, but because Li Hong was often ill, it was said that the major decisions were largely made by Dai and his colleagues Zhang Wenguan and Xiao Dezhao (蕭德昭).