After the death of his father, King Yan was driven back to Peiping while mourning. Zhu Yunwen's plan to cut down the vassal clan even led to King Yan's rebellion.
"Filial piety comes first", Zhu Yuanzhang's policy of favoring the elderly can be regarded as a model for emperors of all dynasties to respect and care for the elderly.
Soong Meiling was originally going to marry Tan Yankai, but she was declined. It was rumored that Soong Meiling's lover was Liu Jiwen, which is untrue.