Princess Masako (Reizei)

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Princess Masako
Empress consort of Japan
TenureOctober 9, 967 – August 1, 973
Heian Kyō (Kyōto)
DiedJanuary 10, 1000(1000-01-10) (aged 49–50)
Heian Kyō (Kyōto)
SpouseEmperor Reizei
FatherEmperor Suzaku
MotherPrincess Hiroko

Princess Masako (昌子内親王, Masako Naishinnō, 950 – 10 January, 1000), was a princess and an Empress consort of Japan. She was the consort of Emperor Reizei of Japan. She was the daughter of Emperor Suzaku. Her mother was Princess Hiroko.


She was born in 950 after the abdication of her father. She was made princess on the 8th lunar month, 10th the same year. Her mother Princess Hiroko died soon after her birth. Her father the former Emperor Suzaku died at the age of 30 in 952. Then she was raised by her paternal uncle Emperor Murakami due to the early death of her parents.

She was made Empress consort after Prince Norihira acceded to the throne as Emperor Reizei in 967.

After the abdication of Emperor Reizei, she was made Empress Dowager in the 7th lunar month, 973 and Grand Empress Dowager in the 7th lunar month, 986. She died from disease at the age of 50 on the 12th lunar month 1st, 999.


Japanese royalty
Preceded by
Fujiwara no Anshi
Empress consort of Japan
Succeeded by
Fujiwara no Koshi