Kinmune harbored Yasuie HOJO, who was a remnant of the Hojo clan, the assassinated Emperor Godaigo, who had started Kenmu-no-shinsei; plotted a rebellion to back the ex-emperor Gofushimi of Jimyoin-to genealogy; and was arrested and executed, the plot having been exposed by the betrayal of Kinmune's younger brother, Kinshige SAIONJI.
公宗は北条氏の残党である北条泰家(時興)を匿い、建武の新政を開始した後醍醐天皇を暗殺し、持明院統の後伏見上皇を擁立する謀叛を計画し、弟の西園寺公重の密告で計画が露見した事により公宗は逮捕、処刑される。