The land owned by serfs (also called villein) were the lands which supported tributes to the lords, such as labor services, products, and cash money (the custom was supposed to accompany the owned lands).
農奴（serf又はvilleinという）の保有地は、領主へ納入する労役や生産物・現金といった貢納（保有地に付随する慣習とされていた）を支えるための土地であった。