The ownership of the Kawagoe Clan's territory was recognized and guaranteed for Sato's mother (Hikinoama's daughter) by the Shogunate, and after her death, it took 20 years before the Azumakagami touched the movements of Sato's surviving brothers for the first time since their father, Shigeyori, was killed.
河越氏の所領は郷の母（比企尼の娘）に安堵されるが、その後生き残った郷の兄弟たちが吾妻鏡の記録に現れるのは、父重頼誅殺の20年後である。