楊堅
Yuchi Jingde was born in 585, during the reign of Emperor Wen of Sui. His surname was likely from Xianbei origin, and he was from Shuo Province (朔州, roughly modern Shuozhou, Shanxi). When agrarian rebels rose against Sui rule near the end of the reign of Emperor Wen's son Emperor Yang, Yuchi initially served in the governmental militia fighting agrarian rebels, and was known and awarded for his bravery.