Imashige 【今重】3 The Japanese surnames etymology dictionary.
Niigata-ken , Mie-ken , Chiba-ken . Mie-ken Iga-shi It was in the Edo era in Abo. Mie-ken Iga-shi was in the Azuchi-Momoyama period in Kobe · Shimokobe . Chiba-ken Noda-shi Iwana is a place name with a record in the notation of "rock" in the Warring States Period. Chiba-ken Sakura-shi Iwana is a place name with a record since the Edo period.