The Tanba Yuasa clan was one family among the Yuasa faction, which led the largest warrior group in Kii Province during the medieval period; they were made up of the descendants of Muneuji ATEGAWA, himself the descendant of Muneshige YUASA.
丹波湯浅氏は中世紀伊国において最大の武士団を率いた湯浅党の一族で、湯浅宗重の孫阿氐川宗氏の末裔に当たる。