Ii Naonori was the second son of Ii Naoaki, the brother of Ii Naosuke.
10 Facts About Ii Naonori
Ii Naonori participated in the Choshu expedition, the suppression of Tenchugumi and the Mito Rebellion.
However, Ii Naonori grew increasingly dissatisfied with the continued hostile treatment still accorded Hikone Domain by the shogunal administration.
Ii Naonori came to the realization that shogunate's military system and equipment was now obsolete compared with the Satcho Alliance.
In 1871, Ii Naonori traveled to the United States and England, during which time he was attended by Soma Nagatane, who became the founder of Senshu University.
Ii Naonori served as a member of the House of Peers from its inception in 1890 until 1897.
Ii Naonori received the Order of the Rising Sun, 2nd class in 1897.
Ii Naonori was married to Arisugawa-no-miya Yoshiko, the daughter of Prince Arisugawa Takahito.
Ii Naonori later remarried to Nabeshima Tsuneko, the daughter of Nabeshima Naotada, former daimyo of Hasunoike Domain.
Ii Naonori's grave is at the temple of Gotoku-ji in Setagaya, Tokyo.