Date of Birth and Death
March 9, 1874 - January 1, 1951
Birthplace (modern name)
Occupation, Status
Military Officer , Court Noble, Former Daimyo (Feudal Lord)


The fourth son of Prince Kuni Asahiko. In 1885, he became the second head of the Nashimoto family. He studied at the Military College in France and participated in the Russo-Japanese War. He became a government adviser on military affairs in 1919, general in 1923, and field marshal in 1932. He held positions such as president of the Franco-Japanese Society and of the Air Defense Society. After the war, he became the only member of the imperial family arrested as a war criminal. In 1946, he lost his status as a member of the imperial family and was purged from public service. Fondly known as the “mustache prince”.



  • Portrait of NASHIMOTO Morimasa1
  • Portrait of NASHIMOTO Morimasa2