Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Zhao (pinyin: zhào, Wade-Giles: Chao, simplified Chinese: traditional Chinese: Vietnamese Tri u, Hangul (Korean) is a common Chinese family name, which ranks 7th largest number of people with this surname in Mainland China. The family name originates with the people of State of Zhao in ancient China. According to Chinese historic records, the first ancestor with the surname Zhao was Shaohao (2597BC-2514BC), one of the five prehistoric emperors. Zhao is the first surname in the Hundred Family Surnames, as it was the royal surname of the Song Dynasty (960 1279).