Etymology and distribution of 戸井津.

Toitsu 【戸井津】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Chiba-ken , Saitama-ken . Variety of 鳩谷 . Ibaraki-ken Shimotsuma-shi It was in the Azuchi-Momoyama period as a vassal of Mr. Taga Tani who was the castle owner of Shimozuma Castle in Honjo-cho. Saitama-ken Gyouda-shi Honmaru was a keystone of Narita who was a castle owner in the Sengoku period · Azuchi Momoyama period. 鳩谷 Hatoya reference.