Emperor Sutoku - Genealogy

Genealogy

Before his ascension to the Chrysanthemum Throne, his personal name (his imina) was Akihito (顕仁).

Note: Although the Roman alphabet-spelling of the name of this twelfth-century emperor is the same as that of the personal name of the current sovereign of Japan, the kanji are dissimilar.
Emperor Sutoku, formerly Prince Akihito (顕仁)
His Imperial Majesty, formerly Prince Akihito (明仁)

Sutoku was the eldest son of Emperor Toba. Some old texts say he was actually the son of Toba's grandfather, Emperor Shirakawa.

Read more about this topic:  Emperor Sutoku