Etymology and distribution of 岡玉.

Okatama 【岡玉】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Shiga-ken Gamou-gun Hino-chou , Oosaka-fu · Kanagawa-ken . 二階堂 surname. Shiga-ken Hikone-shi Tell her that she was engaged in the brewing industry at Nishikawa Town. Estimated early in the Edo period. Shizuoka-ken Hamamatsu-shi It was in the Edo era in Mikko-machi Kita-ku Mega- ku. In the same area I will tell you that she was engaged in the brewing industry with Shiga-ken Gamou-gun Hino-chou . 二階堂 Nikaidou reference.