Sui Yangdi
Li Jingxuan was born in 615, late in the reign of Emperor Yang of Sui. His family was from what would become Bo Prefecture (亳州, roughly modern Bozhou, Anhui). His father Li Xiaojie (李孝節) served as the secretary general of Gu Prefecture (穀州, part of modern Luoyang, Henan) during Sui's succeeding dynasty Tang Dynasty.