Duke Ping of Cáo春秋三傳比義, Volume 2 () was a nobleman in ancient China, who lived during the Zhou dynasty.Rulers of Cáo at the Chinese Text Project
He was ruler of the State of Cao from 527 BC to 524 BC, successor and son of Duke Wu of Cao.Lu Jun Ling: Chronology of Chinese dynasties, 1982, Taipei
His personal name was 須/须 (Xū).
Pingʻs son Jī Wŭ later became Duke Dao of Cao after Ping died in 524 BC.Liu Jun Ling and Lin Ganhe, Timeline of Chinese Historical Families, Muduo Publishing, Taiwan, 1982. 林干合编,《中国历代各族纪年表》,1982年,台北,木铎出版社 References