Toratani 【虎谷】4 The Japanese surnames etymology dictionary.
Wakayama-ken Iwade-shi . Origin of Wakayama-ken Iwade-shi waves (hub). A place name with a record since the Edo period. The place name was also written as "daizo" or "hanami". It is distributed in the same place. It was in the Kamakura period on the same day.