源実朝
It is also the source of at least one Kamakura canard: it is often written that Kugyō, the Buddhist monk who in 1219 assassinated his uncle and shōgun Minamoto no Sanetomo, on the night of the murder was hiding behind the great ginkgo tree next to Tsurugaoka Hachiman-gū's senior shrine, but the Azuma Kagami, our main historic source on the event, simply says he came . The detail of the ginkgo tree first appears in the "Shinpen Kamakurashi".