The Japanese surnames etymology dictionary.
Iwate-ken , Saitama-ken . Summary . Abbreviation of Fujiwara. In Iwate - ken Hachimantai - shi tell him that Mr. Fujiwara of the fallen person came and changed. Estimated in the Kamakura period. Iwate - ken Hanamaki - shi In Osushi Town Osako tell him that he lived in the land he had called "Hall" of the same place. The library is also called "Fujikan" and there is a transmission that Mr. Fujikan was a residence. 藤原 reference.