sentences:  He was the oldest son of Yang Xiong (楊雄), a distant nephew of Sui Dynasty's founder Emperor Wen, who was considered one of the four most powerful officials at one point early in Sui, with Gao Jiong, Yu Qingze (虞慶則), and Su Wei and who was created an imperial prince with various titles, eventually the title of Prince of Guan.Late in the reign of Emperor Wen (some time between 601 and 604), Yang Gongren became the governor of Gan Province (甘州, roughly modern Zhangye, Gansu).It was said that he had a good grasp on general governance and intentionally refused to dwell on details, and that in doing so comforted the non-Han residents of the province.