According to historical records, Nagashige EDO, who was a member of the Edo clan and held the post of jito (manager and lord of manor) donated Maeshima Village of Edo-go (Area around present-day Tokyo Station) to the Tokuso family in 1261, because the area became ruined and unmanageable due to famine.
弘長元年10月3日(旧暦)（1261年）、江戸氏の一族の一人であった地頭江戸長重が正嘉の飢饉による荒廃で経営ができなくなった江戸郷前島村（現在の東京駅周辺）を北条氏得宗家に寄進した。