Musashi province was governed by the relatives of MINAMOTO no Yoritomo; Shigeyori KAWAGOE's wife was the second daughter of Yoritomo's wet nurse Hikinoama; Yoshinobu HIRAGA's wife was the third daughter of Hikinoama; the head of the Hiki clan who was gunji (district official) of Musashi province was succeeded by Hikinoama's nephew Yoshikazu Hiki.
河越重頼と平賀義信の妻は頼朝の乳母比企尼の次女と三女で、武蔵国の郡司である比企氏の家督は比企尼の甥比企能員が継承し、武蔵国は頼朝の縁者によって治められていた。