Some people say that it is only the Japanese Imperial Household that regarded their ancestors as mythological characters; in ancient Europe, there were Royal Families that also regarded their ancestors as deities of Greek Mythology or Scandinavian Mythology.
神話の人物を祖先としているのは日本の皇室のみであるとされることがあるが、古代ヨーロッパでは同様にギリシャ神話や北欧神話の神々を祖先とする王族がいた。