Who dated Koshikibu no Naishi?

Koshikibu no Naishi (小式部内侍; c. 999 – November 1025) was a Japanese waka poet of the early eleventh century. One of her poems was included in the Ogura Hyakunin Isshu.

Fujiwara no Sadayori (藤原定頼; 995-1045) was a Japanese waka poet of the mid-Heian period. One of his poems was included in the Ogura Hyakunin Isshu. He produced a private collection.

Fujiwara no Yorinume (藤原 頼宗, [[[993]] - 1065] Erro: {{japonês}}: transliteration text not Latin script (pos 18: $2) (ajuda); também conhecido como Horikawa Udaijin), foi um estadista, membro da corte e político durante o período Heian da história do Japão.