Etymology and distribution of 木柑子.

Kikouji 【木柑子】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Tochigi-ken , Chiba-ken . Summary . Abbreviation for black wings. Tochigi-ken Ootawara-shi Maeda tells that he changed the name of Kurobane Sister 's castle owner Mr. Ozeki who was in the same place as Kurobane no Kami, who remained Kurobe' s surname "Black". Estimated early in the Edo period. 黒羽 Kuroha reference.