Xin PiPrimary entry
Xin Pi (died about 235), courtesy name Zuozhi, from Yangzhai in Yingchuan, first followed Yuan Shao with his brother Xin Ping, later joined Cao Cao and became a leading minister of Cao Wei. He was known for blunt remonstrance under both Cao Pi and Cao Rui, and in 234, when Zhuge Liang came out to the south of the Wei River, he served with credentials as army adviser to the general-in-chief and kept Sima Yi from fighting. He was given the posthumous title Marquis Su.