, also known as Nagayoshi, was a Japanese poet and a court bureaucrat of the Heian period. He was the son of Fujiwara no Tomoyasu. His sister was the mother of Fujiwara no Michitsuna. She was a writer of the famous diary, Kagerō Nikki

Kagero Nikki

is a classical piece of Japanese literature from the Heian period that falls under the genre of nikki bungaku, or diary literature. Written around 974, the author of Kagerō Nikki is a woman who is only known by the title of Mother of Michitsuna...

(蜻蛉日記). His another sister was a mother of Sugawara no Takasue no musume

Sugawara no Takasue no musume

Sugawara no Takasue no musume , also known as Lady Sarashina, was a Japanese author. "Sugawara no Takasue no musume" means a daughter of Sugawara no Takasue. Her real name is unknown....

(菅原孝標女), writer of the famous diary, Sarashina Nikki (更級日記). He was one of "Thirty-Six Poetic Geniuses" or "Thirty-six Poetry Immortals

Thirty-six Poetry Immortals

The Thirty-six Poetry Immortals are a group of Japanese poets of the Nara, Asuka and Heian periods selected by Fujiwara no Kintō as exemplars of Japanese poetic ability. There are five female poets among them...

" (Sanjūrokkasen). His pupil on Waka was priest Nōin

Noin

Nōin 能因 . Japanese poet and monk of the late Heian period. Lay name: Tachibana no Nagayasu 橘永愷. Along with Izumi Shikibu, Nōin is one of "Thirty-six Medieval Poetry Immortals" of waka poetry selected by Fujiwara no Norikane 藤原範兼 ....

 (能因).

Reputedly, He died by worring about careless criticism of his poem from Fujiwara no Kintō

Fujiwara no Kinto

, also known as Shijō-dainagon, was a Japanese poet, admired by his contemporaries and a court bureaucrat of the Heian period. His father was the regent Fujiwara no Yoritada and his son Fujiwara no Sadayori...

, one of the most talented poets.