Emperor Go-Reizei

Emperor Go-Reizei formally acceded to the throne (‘‘sokui’’) shortly after, and the era name was changed the following year to mark the beginning of his reign.

[8][7] His father Go-Suzaku died at the age of 37 on February 7, 1045, of unknown causes[9] The one major event in Go-Reizei's life occurred in the year 1051, when Abe no Sadatō and Munetō instigated a rebellion that became known as the Zenkunen War (1051–1062).

Yoriyoshi would have been the first to receive this specific shogunal title, although his grandfather (Minamoto no Tsunemoto) had been seitō fuku-shōgun (assistant commander for pacification of the east).

[14] These tombs reached their present state as a result of the 19th century restoration of imperial sepulchers (misasagi) which were ordered by Emperor Meiji.

[14] 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.

[16] Empress (chūgū): Imperial Princess Shōshi (章子内親王, 1027–1105) later Nijō-in (二条院), Emperor Go-Ichijo’s daughter.