The Nose clan follows Settsu Genji having MINAMOTO no Kunimoto, a great-great-grandson of MINAMOTO no Yorimitsu as their ancestor, while they are said to have been the descendant of Takayori NOSE, the third son of MINAMOTO no Yorimori, the successor of Tada-Genji (according to the description from "Sonpi Bunmyaku," Kunimoto's descendants were based in Tajiri and Takayori's were in Kuragaki).
能勢氏は摂津源氏の流れを汲む一族で、源頼光の玄孫・源国基を祖とするが、多田源氏の惣領であった源頼盛の三男・能瀬高頼の後裔であるともいう（『尊卑分脈』の記述によると国基の後裔は田尻、高頼の後裔は倉垣を本拠としていたものと推察される）。