Yuwen Huaji
Yuwen Shiji (died 642), courtesy name Renren, formally Duke Zong of Ying, was an official of the Sui and Tang dynasties, serving as a chancellor, as "Shizhong" (侍中) (625–626) and "Zhongshu Ling" (中書令) (626–627), during the reigns of Emperors Gaozu and Taizong of Tang. He was previously an imperial prince in the short-lived state of Xu (許), which was ruled by his brother Yuwen Huaji.