Background
Tenno Ninko was the 4th son of Emperor Kokaku and Empress Seiko Fujiwara.
Tenno Ninko was the 4th son of Emperor Kokaku and Empress Seiko Fujiwara.
One hundred and twentieth Emperor of Japan (31 October 1817 – 21 February 1846). He ascended the throne under the title by which he is now known in 1817.