When Shizoku, such as Minamoto, Taira, Fujiwara, Tachibana, Mononobe, and Otomo clans were in flourishing, thousands of Myoji were created and then Kamon gradually came into use.
源平藤橘や物部、大伴と呼ばれる氏族が全盛期を誇った頃、何千という名字が生まれ、その後次第に家紋が用いられ始める。