Question: What is the date of death of Zhu Gaoxu's father?
Sentence (from "Zhu Gaoxu"): Zhu Gaoxu (Chinese: 朱高煦; 30 December 1380 - 6 October 1426), Commandery Prince of Gaoyang (高陽王, created 1395), later the Prince of Han
Relevant evidence: No