《汉书·志·律历志下》
虞帝，《帝系》上说，颛顼生穷蝉，过了五代就生瞽叟，瞽叟生了帝舜，把虞安置在嫣水弯曲的地方，尧禅让了天下。
虞帝《帝系》曰：颛顼生穷蝉，五世而生瞽叟，瞽叟生帝舜，处虞之妫汭，尧嬗以天下。
Emperor Yu: According to the "Emperor Lineages," Zhuanxu gave birth to Qiongchan, and five generations later gave birth to Gusou. Gusou gave birth to Emperor Shun, who settled Yu in the winding area of the Yan River. Yao abdicated to him.