Saiin and Saigu Priestesses, or princesses who were former Saiin or Saigu Priestesses often appear in "The Tale of Sagoromo," which may suggest that this book was probably written by Rokujo Saiin no Senji, a court lady serving Imperial Princess Baishi.
また禖子内親王に仕えた女房の六条斎院宣旨は『狭衣物語』の作者と言われ、それを反映してか作中には斎院、斎宮またはその前任者の皇女が多く登場する。