descended from Uda Genji or Seiwa Genji.
- This clan's origin is a descendant of Mononobe clan. Mononobe clan are descended directly from god of Nigihayahi-no-mikoto (Legend age) by his descendant Mononobe no Arakabi (Kofun period), Takaoka Sadamochi, descendant of Mononobe no Arakahi, is the first who took the name of Takaoka. Sadamochi's 8th grandson Takaoka Sadami became Ashikaga Takauji's subordinate and there were distinguished military services. And, because he had received the territory(Itanami-sho, Yosa-gun, Tango Province), the clan moved there. There are a lot of descendants of him about the place now.
- This clan's origin is a descendant of Tada clan in Settsu Province. Tada clan are descended directly from Emperor Seiwa (850-881) by his descendant Lord Tada Mitsunaka (Seiwa Genji). The samurai in about 1278 had Takaoka Gensiro Nyudo and Takaoka Genjiro.[1] And in about 1316 had Takaoka Genjiro and Takaoka Kishiro.[2] And in about 1688 had Takaoka Ichizaemon Minamoto no Shigenao, and he was written the "Takaoka Sakon-shogen Nakatomo's 11th grandson".[3] It is a clan who prospered in future generations, in Kawanishi City, and Sanda City. Takaoka Ichizaemon, Takaoka Gonzaemon, and Takaoka Keisuke who was the Tada Gokenin (in Settsu Province) samurai at the end term of Edo period was the same as this clan.
- Takaoka Konoemon who was the Matsue-han (in Izumo Province) samurai at the first term of Edo period was the same as this clan.
- Takaoka Konoemon who was the Matsue-han (in Izumo Province) samurai at the first term of Edo period was the same as this clan.