《周书·列传·卷四十四》
泉企将杨羊皮拘捕归案，准备处以重刑，于是杨氏害怕，宗族到朝廷官署请恩谢罪。
企收而治之，将加极法，于是杨氏惭惧，宗族诣合请恩。
Quan Qi arrested Yang Yangpi and prepared to punish him severely, but the Yangs were afraid, and the clan went to the imperial court to beg for mercy and apologize.