Four generations of Peng zu. The first generation, Peng Keng. In more than 4400 BC, at the age of 180, he cured Yao Di's fatigue syndrome with his own invented wild chicken soup and became the ancestor of cooking. He is Peng Zu, a politician compared to Shun by Confucius. The second generation, Peng Shou, was named Earl in Xia Dynasty. He helped Yu Xia formulate a general plan for governing the country and led the army to quell the rebellion. He is a politician, a strategist and a martial artist. The third generation, Peng Zu Peng Kao, was an earl in the early Shang Dynasty. He helped Shang Tang destroy the summer and led troops to put down the rebellion many times. The fourth generation, the last Peng Zu Lao Peng, was Peng Zu, a thinker and educator greatly admired by Confucius. They are all health experts.