Background
He was the eldest son of Emperor Go-Shirakawa.
二条天皇
He was the eldest son of Emperor Go-Shirakawa.
His reign spanned the years from 1158 through 1165. Before his ascension to the Chrysanthemum Throne, his personal name (his imina) was Morihito-shinnō (守仁親王). He was the father of Emperor Rokujō.
Fujiwara Masuko (1140–1201): wife of Emperor Nijo (and earlier, she had also been the wife of Emperor Konoe).
Later, she was called Grand Empress Dowager Omiya. Nijō was proclaimed as heir to Emperor Go-Shirakawa.
Hōgeneral 1, 2nd day of the 7th month (1156): Cloistered Emperor Toba-in died at age 54. Hōgeneral 1, 10th–29th days of the 7th month (1156): The Hōgeneral Rebellion, also known as the Hōgeneral Insurrection or the Hōgeneral War.
Shortly thereafter, Emperor Nijō is said to have acceded to the throne (‘‘sokui’’).
After Nijō was formally enthroned, the management of all affairs continued to rest entirely in the hands of the retired emperor, Go-Shirakawa.
Heiji 1, 9th–26th day of the 12th month (1159): The Heiji Rebellion, also known as the Heiji Insurrection or the Heiji War. Chōkan 2, on the 26th day of the 8th month (1164):The former-Emperor Sutoku died at the age of 46. Eiman 1 (1165): The infant son of Emperor Nijō was named heir apparent and therefore Crown Prince, and would soon after become Emperor Rokujō.
Shortly thereafter, Emperor Rokujō is said to have acceded to the throne (‘‘sokui’’).
Eiman 1, 27th–28th day of the 7th month (1165): The former Emperor Nijō died at age 22.
Kugyō
Kugyō (公卿) is a collective term for the very few most powerful men attached to the court of the Emperor of Japan in pre-Meiji eras. In general, this elite group included only three to four men at a time.
These were hereditary courtiers whose experience and background would have brought them to the pinnacle of a life"s career. During Nijō"s reign, this apex of the Daijō-kan included:
Kampaku, Konoe Motozane, 1143–1166.
Sadaijin, Konoe Motozane.
Udaijin
Nadaijin
Dainagon
The years of Nijō"s reign are more specifically identified by more than one era name or nengō. Hōgeneral (1156–1159)
Heiji (1159–1160)
Eiryaku (1160–1161)
Ōhō (1161–1163)
Chōkan (1163–1165)
Eiman (1165–1166).