Shokunmonin's real older brother, and Kanto Moshitsugi (the position at the Imperial palace, in charge of communicating to Samurai forces during the Kamakura period), Kinhira SAIONJI immediately passed this information to the Kamakura bakufu, and asked for the support of Emperor Fushimi of the Jimyoin Imperial line, who was the husband to another younger sister, Shoshi SAIONJI.
昭訓門院の実兄で関東申次であった西園寺公衡は直ちに鎌倉幕府にこの旨を伝え、もう一人の妹である西園寺しょう子の夫である持明院統の伏見天皇の協力を求めた。