Jianwen is the second emperor of the Ming Dynasty. He is the grandson of the first Ming emperor juwonjang.
The third Ming emperor Yongle. He was the most powerful king in the history of the Ming Dynasty. Jianwen Emperor were eliminated by the Yongle Emperor. But... the Yongle Emperor was the uncle of Jianwen Emperor.
After a while, A similar thing happened in Chosun. Uncle killed his nephew will. And Uncle deprived nephew's throne. Sejo is killed Danjong in Chosun.