Oodate 【大楯】3 The Japanese surnames etymology dictionary.
Okayama-ken Mimasaka-shi , Okayama-ken Okayama-shi , Hyougo-ken . Okayama-ken Mimasaka-shi In Five people tells that from 1532 to 1555 (astronomical year) from Kosakata of Okayama-ken Munasaka-shi (Old: Katsunan-gun) Location unknown. Apart from Mr. Ozawa becoming an adopted child of Mr. Sakata there is a tale. Period, location unknown. 小沢 reference. 坂田 reference. Okayama-ken Mimasaka-shi In Sakaemachi I tell him from Kosakata of Oosaka-fu Eastern (formerly Kawachi-kuni). Hyougo-ken Itami-shi Osakaden (Osakaden) is a place where there is a tradition that it was renamed from Iseida in 976-97 (Sadamoto year). In the former country name is Settsu country.