Etymology and distribution of 宇都保.

Utsubo 【宇都保】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Saitama-ken Saitama-shi Iwatsuki-ku. Terrain . A variant of 江沢 . Saitama-ken Saitama-shi There is a record in Ohnojima, Iwatsuku-ku in 1833 (Tenpo 4 years). In the same place in the Edo era "Episode" was also written. 江沢 Ezawa reference. 絵沢 Ezawa reference.