Etymology and distribution of 法桑.

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

Tokushima-ken . Tokushima-ken Naruto-shi Birthplace of Sorryamachiura (Satowra). A place name with a record since the Edo period. Tell him that he used "east" because it was located in the east of Soriura's "Village" and same place.