Shinazawa 【品沢】3 The Japanese surnames etymology dictionary.
① Shizuoka-ken Suntou-gun Oyama-chou Genki Suganuma. A place name with a record since the Warring States Period. Yamanashi-ken Fujiyoshida-shi In tradition by Mr. Suganuma of Shimoyoshida, the place name is originally called Mr. Sugawara who resides in the swamp and renamed it Suganuma and tells that his last name was Suganuma. 菅原 reference.
② Aichi-ken Shinshiro-shi handwriting Genki Suganuma. A place name with a record since the Warring States Period. Ginma-ken Takasaki-shi Yoshii Town Yoshii Domain lord, Saitama-ken Kodama-gun Kamikawa-machi Genki Ara is the lord of Aho, the clan site of the clan office Azuchi Momoyama period, Mie-ken Kuwana-shi Nagashima cho Kaito Momoyama period · Edo period, Gifu-ken Gifu-shi Kano is the Kanari lordship of the Clan office, Shiga-ken Ootsu-shi Honmaru cho is the clan lord of the clan government, Kyouto-fu Kameoka - shi Ararazuka Town Uchimaru was in the Edo period as the lord of the Tamba Kameyama of the Clan Office.