Question: What is the date of birth of Mu Ying's father?
Sentence (from "Hongwu Emperor"): Having outlived his eldest son Zhu Biao, Hongwu enthroned Zhu Biao's son via a series of instructions; this ended in failure, when the Jianwen Emperor's attempt to unseat his uncles led to the Jingnan Rebellion.
Relevant evidence: No