怡亲王
The first and the best-known general was Lieutenant General and Crown Prince Yi Un. The other six were graduates of the Imperial Japanese Army Academy. They were: Lieutenant General Jo Seonggeun; Major General Wang Yushik; Lieutenant General Viscount Yi Beyongmu; Major General Yi Heedu; Major General Kim Eungseon (also military aide and personal guard to Prince Yi Un); and Lieutenant General Hong Sa-ik, who was executed for war crimes committed while commanding the prison camps in the southern Philippines in 1944–1945.