The Kyogoku clan in Itoi, Yabu County (present Terauchi, Wadayama-cho, Asago City, Hyogo Prefecture), was a branch family of the Kyogoku clan in the Toyooka clan and was a descendant of a Shishoku family as well as the Yamana family.
養父郡糸井（現・兵庫県朝来市和田山町寺内）の京極氏は豊岡藩京極氏の分家で、山名氏と同様に四職の一家の後裔である。