Thereafter, the Hosokawa clan split into two groups, one led by Takakuni HOSOKAWA and the other by Harumoto HOSOKAWA, with the result that the Naito clan and other local ruling families of Tanba, which belonged to the Takakuni group, were frequently attacked by the Harumoto group.
その後、細川氏が細川高国派と細川晴元派に分裂、内藤氏ら丹波諸豪は高国に属して度々晴元の攻撃を受ける。