According to the pictures that came down to the Ogyu family, the residence of Kozukenosuke Yoshinaka KIRA, who was a precedent of Koke (a shogunal vassal to be a honorable family in the Edo period) in the Tokugawa Shogunate was 2796.69 sq. m. of building area on 8,429.75 sq. m. of land, which was about 62.66 m from east to west in width and 133.83 m from north to south in width.
徳川幕府の高家の上席である吉良上野介義央（よしなか）の屋敷は、大給家所伝の絵図によれば、東西三十四間二尺八寸余、南北七十三間三尺七寸、二千五百五十坪の敷地に、建坪八百四十六坪であった。