In 1335, because his older brother Kinmune plotted a rebellion under the Kenmu Restoration, and Kinshige reported this to Emperor Godaigo, Kinmune was sentenced to banishment (in fact he was decapitated by Nagatoshi NAWA who mistook the order.)
建武(日本)2年（1335年）、建武の親政下で兄公宗が謀反を企み、公重はこれを後醍醐天皇に密告し、公宗は流罪（命令を間違えた名和長年に斬罪に処される）となった。