During the Kamakura Period, Hitachi-nyudo Nensai, who joined the army of MINAMOTO no Yoritomo in the Battle of Oshu, was granted Date County from Yoritomo for his distinguished war service in the Battle of Ishinazaka, and later changed his name from Tomomune NAKAMURA to Tomomune DATE.
鎌倉時代、源頼朝による奥州合戦に従軍し、石那坂の戦いで戦功を挙げた常陸入道念西が、頼朝より伊達郡の地を与えられ、中村に変わり伊達朝宗を名乗った。