Claim: Zhu Gaoxu, son of Yongle Emperor ( third Emperor of the Ming dynasty), reigned from 1395 - 1404 before being promoted to Prince of Han and reigning from 1404 -1426
Evidence: 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 (漢王, created 1404), was the second son of the Yongle Emperor and Empress Ren Xiao Wen. The Yongle Emperor (pronounced [jʊ̀ŋ.lɤ̂, yong-luh; 2 May 1360 – 12 August 1424) — personal name Zhu Di (WG: Chu Ti) — was the third Emperor of the Ming dynasty, reigning from 1402 to 1424. 1395 - 1404 1404 - 1426