Because of this, Motomori's older brother Tanemichi HATANO and Kataharu YANAGIMOTO joined hands with Rokuro HOSOKAWA (the heir of Sumimoto and later Harumoto) and Motonaga MIYOSHI (grandson of Yukinaga), and started a rebellion against Takakuni (Sakaikubo [the municipal government based in Sakai City]).
これにより、元盛の兄である波多野稙通や柳本賢治らは細川六郎（澄元の嫡男、後の晴元）や三好元長（之長の孫）と通じて高国に反乱を起こした（堺公方）。