《魏书·列传·卷十三》
太宗即位，和山阳侯圣丘、北新侯室回、自毖崔塞等八人，坐在止车门右面，处理各项事务，所以当时称为八公。
太宗即位，与山阳侯奚斤、北新侯安同、白马侯崔宏等八人，坐止车门右，听理万几，故世号八公。
Emperor Taizong ascended the throne and sat on the right side of the Zhichen gate with eight people including Jiyang Hou Shengqiu, Beixin Hou Shihui, Zibei Cuise, and others, handling various affairs, so they were called the Eight Dukes at that time.