In the period of three generations of the Genji shogunate family, from MINAMOTO no Yoritomo to MINAMOTO no Sanetomo, the Genji clans that belonged to the same clan of Kamakura-dono existed in the Kawachi-Genji (Minamoto clan) in a restricted sense and in Seiwa-Genji in a broad sense, but not all Genji clans were always treated as the family of Kamakura-dono because the loyalty to Kamakura-dono was highly valued and dependence on the family was not permitted.
源頼朝から源実朝までの三代の源氏将軍の時代、鎌倉殿と同族の源氏一門は狭義には河内源氏、広義には清和源氏に広く存在したが、鎌倉殿への忠勤の姿勢を重んじ、同族に対す甘えを許さず、すべての源氏一門が鎌倉殿の親族として処遇されたわけではなかった。