Career
Toshihito was the younger brother of Emperor Go-Yōzei. After 1588 Toyotomi Hideyoshi adopted Toshihito in an effort to greatly strengthen the Toyotomi and the Imperial ties. In 1590, Hideyoshi gave Toshihito 3,000 koku worth of land and was slated to act as Hideyoshi"s governor of Japan during China"s anticipated cession of influence in of Korea during the invasions of 1592-1593.
Prince Hachijō Toshihito built the, or Katsura Detached Palace, in Kyoto.
lieutenant was built to be a place to view the moon.