Afterwards, his descendents were allowed to adopt a surname Ogawa, although they were belonging to the merchant class, and they expanded their business as purveyors of the daimyos (Japanese territorial lords) in the western region of Japan.
のちに子孫は、町人であるが小川姓の苗字を名乗ることを許され、西国大名の御用達として活躍する。