Located in the southern foothill of Yatsugatake, Henmiso had Henmi-no-maki, a livestock grazing land for ancient officials, spreading in the area, and Kiyomitsu settled in present Seikoji Temple area (Nagasaka-cho, Hokuto City) (alleged otherwise to be located at Wakamiko, Sudama-cho, Hokuto City) and built Yato Castle (Oizumi Village, Hokuto City, Yamanashi Prefecture) as tsume-no-shiro, a retreat and backup castle.
八ヶ岳南麓の逸見荘は古代官牧逸見牧が発達しており、現在の清光寺域（北杜市長坂町）に館を構え（北杜市須玉町若神子とも）、詰城として谷戸城（北杜市大泉村(山梨県)）を築城したという。