《魏书·列传·卷九》
元刚的弟弟元质，庄帝初年，封为林虑王，食邑一千户。
刚弟质，庄帝初，林虑王，邑千户。
Yuan Gang's younger brother, Yuan Zhi, was granted the title of "Linyu Wang" and one thousand households at the beginning of the reign of Emperor Zhuang.