Among daimyo, only fudai daimyo (a daimyo in hereditary vassal to the Tokugawa family), who were promised to become members of the cabinet of advisors such as roju (senior councillor), were given both additional territories and promotions as rewards.
大名の中で唯一、老中などの幕閣を占める前途を保証された譜代大名に対しては、所領の加増はもとより、役職の昇進も恩賞となった。