The office of the Sengoku clan in the Edo-jo Castle in its early stage is said to have been Teikan-no-ma Room as a Fudai joshu daimyo (a daimyo who owns a castle and was a hereditary vassal to the Tokugawa family).
初期の仙石氏の江戸城内での詰所は、譜代城主大名として帝鑑の間であったという。