Although Masamune's mother Yoshihime (Hoshunin) remained at the Date family even after this incident, she suddenly fled to the Yamagata-jo Castle after 4 years of the incident, where her elder brother, Yoshiaki MOGAMI resided (please refer to "Yoshihime" page for further information).
母・義姫（保春院）はその後も伊達家にとどまったが、四年後に実家の兄・最上義光のいる山形城へ突如出奔した（詳細は義姫参照）。