At the end of the Heian period, Shigeie SUZUKI and his brother Shigekiyo KAMEI, who were from the Fujishiro Suzuki clan and served MINAMOTO no Yoshitsune as roto (a retainer), died in a battle in Koromogawa, Mutsu Province (Iwate Prefecture), protecting their master, Yoshitsune.
平安時代の末に藤白鈴木氏から出た鈴木重家・亀井重清の兄弟は、源義経に郎党として仕え、陸奥国衣川(岩手県)で主君を守って戦死した。