While there were many branch families of the Date clan in Mutsu Province, Date family lines which held the post of kokujin ryoshu (a local samurai lord) also existed in Suruga Province and Tajima Province.
陸奥国における伊達氏の庶家は多いが、伊達氏として国人領主の地位を保った家系が、駿河国・但馬国にあった。