The Hatakeyama clan in the Kawachi Province, the Yamana clan in the Tajima Province, the Isshiki clan in the Tango Province, the Takeda clan in the Wakasa Province and so on survived toughly through the Sengoku Period although they experienced the risk of being robbed of their territory by various powers surrounding them or they were annoyed with internal struggle between vassals.
河内国の畠山氏、但馬国の山名氏、丹後国の一色氏、若狭国の武田氏などは周辺の諸勢力に国を奪われかけたり家臣の内紛に悩まされながら、しぶとく戦国時代を生き抜いた。