Subsequently, after the Heian period, the term, 'ujiko' came to include not only the consanguineous members of a clan but also the people who lived with them.
その後、平安時代以降は、血縁関係にある一族だけでなく、その氏族とともに生活を営んでいる者をも含めて「氏子」と称するようなった。