 Mochiuji's eldest son Yoshihisa, 14 years old at the time, was also forced to kill himself at nearby Hōkoku-ji.His three younger sons however escaped to Nikkō and in 1440 were led by Yūki Ujitomo, head of the Yūki clan, to his castle in Koga, Shimōsa Province, and survived.When later his castle was attacked by the shogunate, they escaped.