Yu, surname, first name, later called Dayu, is the great-grandson of Xuanyuan of the Yellow Emperor. It is said that the leader of Xia Houshi tribe, the heir to his father's throne and the founder of slavery in China gained the throne through abdication. "Tang" destroyed the summer and established the Shang Dynasty, which was in the heyday of slavery, with slave owners and nobles as the ruling class, forming a huge bureaucratic ruling institution and army. "Wen" means (former 1 152~ former 1056). "Wu" is the second son of the founding monarch of the Western Zhou Dynasty. Because his brother Boycott was killed by Shang Zhouwang, he succeeded to the throne. He inherited his father's legacy, destroyed the Shang Dynasty in 1 1 century BC, seized the national political power and established the Western Zhou Dynasty. Zhou Chengwang (BC 1055- before 102 1 year). Ji, the son of, was the second king of the Western Zhou Dynasty, and posthumous title was the king. When Zhou Chengwang succeeded to the throne, he was still young, and Zhou Gongdan helped him quell the rebellion in the three prisons. Zhou Dynasty is a hereditary feudal dynasty in China history after Shang Dynasty.