In what year was the last member of the Imperial House of Japan with a full beard before Prince Tomohito of Mikasa born?
Prince Tomohito of Mikasa:  Prince Tomohito was the first member of the Imperial House of Japan with a full beard since Emperor Meiji, thus earning him the popular nickname of the "Bearded Prince" (ヒゲの殿下 "Hige no Denka").
i don't know