Etymology and distribution of 前当.

Maetou 【前当】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Saga-ken , Toukyou-to , Niigata-ken .

① Nagano-ken Ueda-shi Origin of the Sanada Mayor Yokoo. A place name with a record since the Warring States Period.

② Gunma-ken Agatsuma-gun Nakanojou-machi Born in Yokoo. A place name with a record since the Warring States Period.

③ Yamaguchi-ken Kumage-gun Tabuse-chou Originated from Beppu's underwear Yokoo.

※ Miyagi-ken Sendai-shi Aoba-ku Kawauchi was in the Edo era in the Sendai Samurai of the Clan office. The same clan says from Yokoo of Yamagata-ken Yonezawa-shi . Period, location unknown.