Ina clan was one of those branched out from the Imperial family, starting from KAMITSUUEHA no Oji (Prince Kamitsuueha, also called HONO no Oji or Prince Fire), son of Emperor Senka, and had a foothold in Ina village of Kawabe County in the Settsu Province.
韋那氏は宣化天皇の皇子・上殖葉皇子（一説に火焔皇子）を祖とする皇別氏族で、摂津国河辺郡為奈郷に拠点を置いていた。