Etymology and distribution of 土手添.

Dotezoe 【土手添】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Kouchi-ken , Oosaka-fu , Hiroshima-ken . Kouchi-ken Shimanto-shi Nakamura Marunouchi was in the Edo period in the clan of Tosa Nakamura of the Clan Office. In the Kyouto-fu Kyouto-shi there was a case called Confucius of the Oe family name in the Edo period. 大江 Ooe reference.