Princess Seishi

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Princess Seishi
Empress consort of Japan
TenureMarch 26, 827 – March 26, 833
DiedApril 18, 879(879-04-18) (aged 68–69)
SpouseEmperor Junna (m. 827–840)
FatherEmperor Saga
MotherTachibana no Kachiko

Princess Seishi (正子内親王, Seishi Naishinnō, 810 – April 18, 879) was an Empress consort of Japan. She was the empress consort of Emperor Junna.

She became empress in 827. Her husband abdicated in 833. Either when she was widowed in 840, or when her son was deposed as crown prince in 842, Seishi followed the example of her mother and became a nun: she retired to the palace of her late spouse, Junna'in, which she made in to a family convent, engaging in sponsoring lectures of the Lotus Sutra and providing care for orphans. [1]


  1. ^ Barbara R. Ambros, Women in Japanese Religions
Japanese royalty
Preceded by
Tachibana no Kachiko
Empress consort of Japan
Succeeded by
Fujiwara no Onshi
(Posthumously: Princess Koshi)