《后汉书·列传·伏侯宋蔡冯赵牟韦列传》
父宋尚，成帝时官至少府；哀帝立，因不附董贤，违命抵罪。
父尚，成帝时至少府。哀帝立，以不附董贤，违忤抵罪。
His father, Song Shang, was the minister of Shaofu during the reign of Emperor Cheng; when Emperor Ai ascended the throne, he did not join Dong Xian and violated an order and was punished.