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List of Tenno of the Idai dynasty of Fuso and Yamatai, both before and since the founding of the Yamato Empire.
The Idai dynasty is one continuous line that stretches back almost three millenniums with occasional interruptions but no change of dynasty. The Idai dynasty's alleged descent from supreme deities Zenno-sha & Kanno-teki via Shuyona Akegata-no-hime is the basis of the dynasty's legitimacy, and thus has kept the dynasty from being overthrown or otherwise replaced.
|Personal name||Posthumous name||Lifetime||Reign||Era names|
|Mikado Keikenna-no-Totoi Taiso|
|The first tenno of Fuso and founder of the entire imperial line. The beginning of his reign is also the basis of the Teikoku calendar.|
|Mikado Keikenna-no-Migoto Kumo|
|The Teikoku calendar was adopted during his reign.|
|Mikado Keikenna-no-Mankai Sakura|
|The first female tenno.|
|Fourteen Kingdoms Period|
|Mikado Keikenna-no-Hari Kurogane|
|The imperial line of Yamatai beginning with Shintoki-tenno is descended from Byosaki-tenno.|
|Mikado Keikenna-no-Akairo Hayashi|
|Great-grandson of Byosaki-tenno.
His assassination in a power struggle and the outrage that followed was the catalyst that sparked the Warring States Period of the Two Hundred Years' War.
|Warring States Period|
|Mikado Keikenna-no-Minarai Yoji|
|Mikado Keikenna-no-Saigo Eiyu|
|His abdication to Shintoki-tenno and the founding of the Yamato Empire ended the Warring States Period of the Two Hundred Years' War and began the Age of Conquest.|
|Empire of Yamatai|
|The era of the tenno of the Empire of Yamatai began with the abdication of Sakugen-tenno to Shintoki-tenno and the founding of the Yamato Empire, ending the Warring States Period of the Two Hundred Years' War and beginning the Age of Conquest.|
|Descendant of Byosaki-tenno.
Creator of Seishitsu.
First tenno of the Oda clan cadet branch and progenitor of the current imperial line of the Idai dynasty.
Continued the custom of the imperial family having no surname when he dropped his and ceded the title of daimyo of the Oda clan to a relative of the parent line.
Killed in battle by a stray arrow during the Siege of Umadake.
|Grandson of Shintoki-tenno.
Succeeded his grandfather at the age of seventeen, as his two elder uncles died the same day as Shintoki-tenno.
Died childless at the age of twenty-two.
|Nephew of Awamori-tenno. The Age of Conquest ended during his reign.
Hid Seishitsu away until it came into the possession of Toyotomi Sugako.
|Daughter of Fukurai-tenno. Not the first female tenno, but the first female ruler of Yamatai.|
|A female ruler.|
|Last tenno of the Oda clan cadet branch.|
|Great-grandson of Suisho-tenno via his youngest daughter, Mutsumi Naishinno (六ツ美).
Born Toyotomi Nobunaga, he was the first tenno of the Toyotomi clan cadet branch, also descended from the Oda cadet branch, and progenitor of the current imperial family of the Idai dynasty.
Dropped his surname and continued the tradition of no surnames in the imperial family.
|Mother of Gyoshi-tenno and the last of ten female tenno.|
|Eldest son of Gyoshi-tenno.|
|Eldest son of Ijin-tenno, and elder brother of Toyotomi Sugako.|
Notes & Trivia
- The years have the years of the Teikoku calendar on top and the Solramese calendar on the bottom. There's a 1717-year difference between them.
- Tenno whose reigns ended before they died abdicated and retired.
- Tenno who were given the same posthumous name as are prefixed in a few ways:
- The first Tenno after is prefixed "Go- (後/later/II)."
- Tenno further after are given numeral words: "San- (三/III)," "Shi- (四/IV)," etc.
- Mikado Keikenna (神門敬虔な) is a title that was part of the personal names of tenno before Shinotki-tenno to denote their descent from Zenno-sha and Kanno-teki, but they otherwise had no surname. They were addressed by it by the court both before and during their reigns. This title dropped out of use during the reign of Shintoki-tenno, and was shortened to Keiken (敬虔) as the surname of the clan that no longer held the throne.