Etymology and distribution of 紺社.

Konsha 【紺社】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Chiba-ken Kisaradzu-shi . Estimated from the castle "heavy" in favorite characters. Chiba-ken Kisaradzu-shi Takayanagi tells that the secretary of Mr. Satomi who was defeated at the Chiba-ken Ichikawa-shi battle of the Kofu during the Warring States period retired and called it.