The potential rivalry between the Yamana clan and the Awa Hosokawa clan over Harima, was revealed as Shigeyuki, who succeeded the family head after Mochitsune, supporting in the restoration movement of the Akamatsu family.
播磨を巡る山名氏と阿波細川家の潜在的対立は、持常の後を継いだ成之の、赤松家の再興運動への助力という形になって現れる。