After the establishment of Sankanrei, Shishiki (Four influential families) and Shichito (Seven influential families) in Bakufu, the Shiba clan was treated with respect as a Kanrei family together with the Hatakeyama clan and the Hosokawa clan and ended up becoming the head of the three Kanrei families by suppressing other two families.
幕府において三管領四職七頭の制ができると、斯波氏は畠山氏、細川氏と管領を出す家柄として重んじられ、他の二家を抑えて三管領筆頭の家柄を有するに至った。