The Hosokawa clan was split into two that each of them associated with hikan (low-level bureaucrat) or the powers in the Kinai-Kingoku area, and fought against each other (Ryohosokawa War).
細川氏は2派に分かれそれぞれに被官や畿内近国の諸勢力が結びついて争う（両細川の乱）。