The conflict deepened still more after disputes arose within both the Hatakeyama and the Shiba clans, both families that had produced many Kanrei, over who should succeed to the headship of the clan, these new struggles combining with and further exacerbating the ongoing fight over the shogunal succession.
更に管領を輩出する畠山氏・斯波氏でも家督相続を巡る争いが発生して将軍後継者争いと連動を始めたことから問題は複雑化していった。