What is the relationship between Emperor Yanhuang and Henan?

Yandi, the legendary Shennong, is a tribal leader who lives in the Jiang Shui Valley and is mainly engaged in agriculture. We now have some plant discoverers who are him. He goes to the wild to taste those plants every day, and at the expense of his own body, he looks for plants that can reproduce. He was poisoned many times because he was lucky. He fought poison with poison and saved his life. Finally, once he was not so lucky. The tribe led by the Yellow Emperor, the legendary Xuanyuan family, once lived a nomadic life with changeable migration, and later gradually settled in the Central Plains. Huangdi is very clever. He teaches people to build houses and knit clothes. According to legend, there was a war between Yan Di tribe and Chiyou tribe in the southeast, and Yan Di was defeated by Chiyou. Later, Yan Di tribe and Huangdi tribe formed an alliance and defeated Chiyou in the battle of Zhuolu. Soon, the Yellow Emperor and Yan Di fought fiercely again in Hanquan, Yan Di was defeated, and the Yellow Emperor became the leader of the tribal alliance in Yan Di. The ancient tribes who settled in the Central Plains developed the middle and lower reaches of the Yellow River through conflicts and mergers, making the Yellow River basin the cradle of the Chinese nation.

Yao, Shun and Yu are descendants of the Yellow Emperor and leaders of tribal alliances. There is also a story in the middle. Yao has been a leader for more than 70 years. In his later years, he took a fancy to Shun. Democracy also elected the next generation leader of Shun, and Yao gave Shun a three-year inspection tour. Finally, because Shun is a dutiful son, capable and smart, he really achieved the position of leader. During the reign of Yao and Shun, there was a general named Shun. When the country was flooded, Yao sent guns to control the water, but it didn't work for nine years. Yao sent his men to see the truth. As a result, Shun saw that Gun's method of controlling water was really stupid, so he killed Gun, and Shun sent Gun's son Yu to control water, and then Yu how to control water.