Etymology and distribution of 戸久河.

Tokugawa 【戸久河】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Shiga-ken Takashima-shi , Kyouto-fu , Yamagata-ken . Last name including "Early", 藤原 surname. Shiga-ken Takashima-shi Azumogawa Town It is based in Shizugawa. Kyouto-fu Kyouto-shi , Mie-ken Tsu-shi was in the Edo period. Wakayama-ken Hidaka-gun Hidakagawa-chou Hayato (Hi-kuzu) was a place name with a record since the Edo period. 藤原 Fujiwara reference.