Hongnong County, Yang's territory, is now 40 miles south of Lingbao County, Henan Province. [Origin of Yang] Yang has two sources. According to the genealogy, the youngest son was sealed in Yangyang (now southeast of Hongdong County, Shanxi Province) to establish the Yangguo, but it was destroyed by Jin in the Spring and Autumn Period, and later people took the country as their surname and surnamed Yang. There is also a saying that Yang's origin is based on the city. According to historical records, during the reign of Emperor Wu of Jin Dynasty, the descendants of Tang Shuyu, the third son of Zhou Wuwang, regarded TONYYOND as a food city. Among his descendants, he was called Uncle Xiang, a famous saint at that time. He was appointed as a doctor of the state of Jin and was sealed in Yang. Uncle Xiang's son ate me, so he took Cheng as his surname and Yang as his surname. [Yang's Fame] Yang has a long history and celebrities come forth in large numbers. At the beginning of the Warring States Period, there was the Yang Zhu School which advocated "solipsism". Yang Zhen was widely read in the Eastern Han Dynasty, known as "Confucius in Kansai". He holds several posts, and the famous saying "Heaven knows the earth, you know me" has been passed down from generation to generation. Yang Xiu, a litterateur at the end of the Eastern Han Dynasty, was eager to learn and versatile, and was Cao Cao's main book. Emperor Wendi of the Sui Dynasty, the founding emperor of the Sui Dynasty, Yang Guifei, the prime minister of the Tang Dynasty, Yang Jiong, the poet, Yang Huizhi, the sculptor, and the calligrapher of the Five Dynasties are all celebrities in the history of Yang's family. In the Song Dynasty, Yang Jiajiang, headed by Yang Ye, was a world-famous national hero and a famous general in the Northern Song Dynasty. In addition, there are writer Yang Yi and scholar Shi Yang. Southern Song Dynasty poet Yang Wanli, philosopher Emperor Wen of Sui, mathematician Yang Hui; Yang Xianzhi, a dramatist in Yuan Dynasty; Yang Ji, a poet and writer in Ming Dynasty; Yang, a scholar in Qing Dynasty; Yang Shoujing, a historical geographer, is the pride of Yang's family and occupies a place in the history books. Yang, with a large population, is the sixth largest surname in China today.