Huayin County said: Yang Yuhuan's great-grandfather Wang Yang was a talented person in the Sui Dynasty, and he was from Huayin.
Records of Yongle County, Biography of Yang Taizhen and other ancient books all record that Yang Yuhuan moved to Dutou Village, Yongle, Zhou Pu with his uncle.
Rong Zhou said: There is a stone tablet in Rong County, Guangxi Province, which records the "Yang Fei Monument in Puning County, Rong Zhou" written by Xu Zizhen, a four-year teaching assistant of Tang Tianbao, and said it was the earliest record of Yang Guifei's deeds.
Zhou Shu said: Yang Xuanyan died in 7 18, and Yang Yuhuan was born in 7 19. She was born in Zhou Shu because her father was an official in Zhou Shu. Zhou Shu is today's Chongzhou. During the Tang and Song Dynasties, Chongzhou in the west of Chengdu was called Zhou Shu.
Yang Guifei's former residence is located at 0/00 meter east of Dutou Village, Shouyang Township, yongji city.