《周书·列传·卷二十》
到宇文护被杀后，高祖因此敬重他，于是下诏让阎庆第十二个儿子阎毗娶皇帝女儿清都公主为妻。
及护诛，高祖以此重之。乃诏庆第十二子毗尚帝女清都公主。
After Yuwen Hu was killed, Emperor Wen respected him, and thus issued an edict to have his twelfth son, Yan Pi, marry the emperor's daughter, Princess Qingdu.