Etymology and distribution of 豊池.

Toyoike 【豊池】^{レベル3
About 90}  The Japanese surnames etymology dictionary.

Toyama-ken Takaoka-shi , Hokkaidou , Ishikawa-ken . Toyama-ken Imizu-shi Origin of Hiroki. In the Kamakura period the name of the place with a record in the notation "Hirokami". The place name was also written as "Goddess". It is distributed in Gunma-ken .

※ Ishikawa-ken Kaga-shi Daishoji - bushido was in the Edo era in the Daisho clan in the Clan Office. The same clan says that he changed his name from Hirota surname in the Edo period. 広田 Hirota reference.