After the death of Sadayori, his successor Yosikata ROKKAKU attacked Nagayoshi MIYOSHI who was then Kanrei-dai and started building up a strong political power in Kinai area and tried in vain to expand his strength among the national political arena.
定頼の死後、後を継いだ六角義賢は、当時管領代となり、畿内に一大政権を築きつつあった三好長慶と抗争して、中央政界での勢力を拡大しようとしたがこれに失敗。