Saionji Neishi

Saionji (Fujiwara) Neishi / Yasuko (西園寺（藤原）寧子) later Kōgimon'in (広義門院; 1292–1357) was a Japanese Court lady.

She was Saionji Sanekane's daughter, and the consort of Emperor Go-Fushimi.

She became the mother of several children with the emperor:
 * First daughter: Imperial Princess Junshi (珣子内親王)
 * Third son: Imperial Prince Kazuhito (量仁親王) later Emperor Kōgon
 * Fifth son: Imperial Prince Kagehito (景仁親王; b. 1315)
 * Second daughter: Imperial Princess Kenshi / Kaneko (兼子内親王)
 * Ninth son: Imperial Prince Yutahito (豊仁親王) later Emperor Kōmyō