The Japanese surnames etymology dictionary.
Chiba-ken Kimitsu-shi , Chiba-ken Ichihara-shi . 麻生 surname is given. Chiba-ken Kisaradzu-shi Kaneishi was in the Edo period in the Shogunatei clan of the Clan office. The same clan says "Asao" as well. Chiba-ken Kimitsu-shi Kurama is based. Tell them that they are groundbreaking in the same place. Chiba-ken Ichihara-shi Asaara is a place name with a record as "Aso raw" in the Edo period. It is distributed in Hyougo-ken .