He was a kugyō or Japanese court noble of the Muromachi period (1336–1573).
One of his daughters, Keishi (経子), married Takatsukasa Masahira.
Before the Ōnin War, he "enjoyed universal respect for his scholarship, had a large and distinguished family, and owned perhaps the finest library of the time".
[1] Kaneyoshi fled to Nara, where his son was the abbot of the Kofuku-ji monastery.
In 1478 (Bunmei 10), Kanera published Bummei ittō-ki (On the Unity of Knowledge and Culture) which deals with political ethics and six points about the duties of a prince.