Masumune Date

Date Masumune (伊達 政宗 Masumune Date) is a fictional adaptation of the historical figure of the same name. He is the ancestor of Shinichi Date and the Date Clan. He is most well-known for his discovery of the legendary sword and his rivalry with Yukimura Sanada. He is succeeded by his son, Date Tadamune - the first protecter, sealer of the legendary sword.