Iseya 【伊勢屋】3 The Japanese surnames etymology dictionary.
① Convention . Synthesis of Ichijo and Fujiwara. In Yamaguchi - ken Iwakuni - shi , tell Kouchi - ken 's appearance was Mr. Ichi's guard. Estimated Muromachi era. Yamaguchi-ken Iwakuni-shi It was in the Edo era in Miwa Town founder. Kouchi-ken Shimanto-shi has it. 一条 reference. 藤原 reference.
② Kumamoto-ken Ashikita-gun Ashikita-machi Birth of Ichinose (Ichinose) A place name with a record in the notation of "Ichase" in the Warring States Period. Ichinose's "city" is used as "one". It is distributed in the same place.