《南齐书·志·卷十》
现在皇孙自然是藩属国的王公，太子穆妃是天朝的嫡子之妻。
今皇孙自是蕃国之王公，太子穆妃是天朝之嫡妇。
Now the emperor's grandson is naturally the vassal state's prince, and the prince Mu's wife is the wife of the legitimate son of the Celestial Dynasty.