He is the ancestor of the Nose clan, but it is unknown if he was a Gokenin (an immediate vassal of the shogunate in the Kamakura and Muromachi through Edo periods) of the Kamakura bakufu (Japanese feudal government headed by a shogun), and what he has done during Jokyu War is also unknown.
能勢氏の先祖にあたる人物であるが、鎌倉幕府の御家人となっていたかは不明で、承久の乱の際の動向も不明である。