Yuwen Shiji (宇文士及) (died 642), formally Duke Zong of Ying (郢縱公), was an official of the Chinese dynasties Sui Dynasty and Tang Dynasty, serving as a chancellor during the reign of Emperor Taizong of Tang. During the brief existence of the state of Xu (許), with his brother Yuwen Huaji as emperor, he was an imperial prince.
Read more about Yuwen Shiji: During Emperor Wen's Reign, During Emperor Yang's Reign, Under Yuwen Huaji's Command, During Emperor Gaozu's Reign, During Emperor Taizong's Reign