《明史·本纪·卷四》
二十九年，重定诸王朝见东宫礼节制度，朝见后在内殿行家人礼，因为诸王都是朱允炆的长辈。
二十九年，重定诸王见东宫仪制，朝见后于内殿行家人礼，以诸王皆尊属也。
In the 29th year of the Hongwu reign (1396), the systems of etiquette for the kings to pay their respects to the Eastern Palace were revised. After paying their respects, they would perform the family ritual in the inner palace, because the kings were all Zhu Yunwen’s seniors.