However, the branch families of the Hosokawa clan opposed the idea of the adopted son, who was not blood-related, taking over as the family head, and Masamoto welcomed Sumimoto HOSOKAWA, the son of Yoshiharu HOSOKAWA from a branch family of the Hosokawa clan in the Awa Province.
しかし、やがて細川氏の分家などが血のつながらない養子に家督を譲ることに反発したため、阿波国の細川分家である細川義春の子・細川澄元を養子に迎えた。