Daini no Sanmi

Daini no Sanmi (大弐三位) was a Japanese waka poet of the mid-Heian period.

Biography
She was the daughter of Murasaki Shikibu and Fujiwara no Nobutaka. Her given name was Katako (賢子), although the kanji can also be read as Kenshi.

In 1017, she joined to the court and served as a lady-in-waiting for Grand Empress Dowager Shoshi, the mother of Emperor Go-Ichijo. She was married to Takashina no Nariakira and produced a son in 1038, and she had a daughter with Fujiwara no Kanetaka in 1026. She also served as the nurse of Imperial Princess Teishi and Emperor Go-Reizei. When Emperor Go-Reizei ascended the throne, she was promoted.

Poetry
Thirty-seven or thirty-eight of her poems were included in imperial anthologies from the Goshūi Wakashū onward.

One of her poems was included as the fifty-eighth in the Ogura Hyakunin Isshu:

She also produced a private collection called the Daini no Sanmi-shū (大弐三位集).

Possible partial authorship of The Tale of Genji
Some scholars have attributed the final ten chapters of her mother's magnum opus, The Tale of Genji, to her.