乐生活Summary of Xia, Shang and Zhou Genealogy (Old Edition)
According to the historical records, the logical relationship is obviously unreasonable. Emperor Shun married Emperor Yao’s two daughters, who needed to be called Tai Grandma by generations. In the 400 years since the founding of Shang Dynasty, King Wen of Zhou was only one generation younger than Tang of Shang Dynasty.
