Those ichimon daimyo (family-related feudal lords) were favored in the Kakaku (family status) and official ranks, but never allowed to participate in the shogunate government, as they were only the shogun's relatives, but not fudai daimyo (feudal lords in hereditary vassal to the Tokugawa family).
これら一門大名は家格・官位などでは優遇されたが（将軍の親戚と言うだけであって譜代大名ではないので）幕政に参加する事は許されなかった。