Many vassals of the Rokkaku clan who were promoted with him were direct attendants of Hidetsugu, among whom Daizen KUMAGAI and Hitachi no suke KIMURA who committed Seppuku (suicide by disembowelment) in the Hidetsugu incident were most well-known.
彼と共に取り立てられた六角系家臣（元来は彼の家臣）の多くが秀次の直臣となっており、秀次事件で切腹した熊谷大膳、木村常陸介らはその代表格である。