Kobata 【古端】2 The Japanese surnames etymology dictionary.
Iwate-ken , Akita-ken , Gifu-ken . Last name including "Sawa", 藤原 surname. Iwate-ken Ninohe-shi Fukuoka is based. Iwate-ken Kitakami-shi was in the Edo period. Akita-ken Kitaakita-shi is based in Kidoishi. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. Gifu - ken Oogaki - shi is based in Yokohama . I tell him that he was engaged in agriculture on the west side of Aichi-ken western part (formerly Owari government). Estimated in the Edo period. Crest is falling wisteria. 藤原 reference.