Etymology and distribution of 下宇峠.

Shimoutouge 【下宇峠】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Chiba-ken . 高蝶 There surname. Chiba-ken Mobara-shi Takashi is a location name with a record since the Northern and Morning era. It is distributed in the same place. 高蝶 Takachou reference.