《魏书·列传·卷三十六》
高宗敬重高允，通常不呼他的名字，习惯称之为 令公 。于是 令公 之号传遍四方。
高宗重允，常不名之，恆呼为 令公 。 令公 之号，播于四远矣。
Emperor Gaozong respected Gao Yun, and usually did not call him by his name, but called him Linggong instead. Therefore Linggong became known throughout the world.