The Kokin denju (the secret transmissions of the "Kokinshu", Anthology of Old and New Japanese Poems) that was handed down for generations in the Sanjonishi family was to be taught to only one child in the family; however because his son, Kinkuni was too young, Saneki taught the Shogaku-Ichiyo (an essay on waka poems) to his pupil Yusai HOSOKAWA (Yusai Genshi).
三条西家に代々伝わる古今伝授は一子相伝の秘事であったが、息子公国が幼かったため、やむをえなく弟子の細川幽斎（幽斉玄旨）に初学一葉を与えた。