Etymology and distribution of 外鯨.

Tokujira 【外鯨】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Ibaraki-ken Kitaibaraki-shi . 小川 surname. 小川 Ogawa reference.

※ Saga-ken Karatsu-shi Dongcheng interior was in the Edo period in the Karatsu clan of the clan government office.