Kikuya Family was started at Osaka, Sumiyoshi Shrine. Later, they moved to Yamaguchi prefecture and worked for the Ohuchi clan. When the Ouchi clan was downfallen, they became merchants. In 1569, even though they were not Samurai, they fought against Otomo clan's invasion of Yamaguchi. Mori Motonari gave them the thank you letter. They also help Mori Terumoto when he lost the battle of Sekigahara, they were given the current place. After that, even they were not Samurai, their house was used as the officer of the castle town. They house was used for the city hall.