In the same year, Masakage NAGAO (Ueda Nagao family), a member of the family and lord of Sakato-jo Castle rebelled, as he was dissatisfied with Kagetora's succession to the family headship.
同年、一族の坂戸城主・長尾政景（上田長尾家）が景虎の家督相続に不満を持って反乱を起こした。