Career
Number firm dates can be assigned to this emperor"s life or reign, but he is conventionally considered to have reigned from 400 to 405. Richū is regarded by historians as a "legendary emperor" of the 5th century. The reign of Emperor Kimmei (509?–571 AD), the 29th emperor, is the first for which contemporary historiography is able to assign verifiable dates.
However, the conventionally accepted names and dates of the early emperors were not to be confirmed as "traditional" until the reign of Emperor Kammu (737–806), the 50th sovereign of the Yamato dynasty.
According to Nihonshoki and Kojiki, Richū was the eldest son of Emperor Nintoku and Iwanohime. Richū"s contemporary title would not have been tennō, as most historians believe this title was not introduced until the reigns of Emperor Tenmu and Empress Jitō.
Rather, it was presumably Sumeramikoto or Amenoshita Shiroshimesu Ōkimi (治天下大王), meaning "the great king who rules all under heaven." Alternatively, Richū might have been referred to as (ヤマト大王/大君) or the "Great King of Yamato."
Some scholars identify him with King San in the Book of Song. King San sent messengers to the Song Dynasty at least twice in 421 and 425.
Richū succumbed to disease in his sixth year of reign.
His tomb is in Kawachi province, in the middle of present-day Osaka prefecture. The site of Richū"s grave is not known. The Imperial Household Agency designates this location as Richū"s mausoleum.
lieutenant is formally named Mozu no mimihara no minami no misasagi.
lieutenant is also identified as the Kami Ishizu Misanzai kofun (上石津ミサンザイ古墳). Empress (first): Kurohime (黒媛), daughter of Katsuragi no Ashita no Sukune (葛城葦田宿禰)
Prince Iwasaka no itinohe no Oshiha (磐坂市辺押磐皇子), father of Emperor Kenzō and Emperor Ninken
Prince Mima (御馬皇子)
Princess Aomi no Himemiko (青海皇女)
Empress( second): Kusaka no Hatabi no Himemiko (草香幡梭皇女), daughter of Emperor Ōjin
Princess Nakashi no Himemiko (中磯皇女), wife of Ookusaka
Futohime no Iratsume (太姫郎姫), daughter of Funashiwake (鯽魚磯別王)
Takatsuru no Iratsume (高鶴郎姫), sisters of Futohime.
