Soun HOJO (also known as. Shinkuro Nagauji ISE, whereas Soun is his popular name posthumously given to him based on his Buddhist name Soun-an Sozui) is believed to have temporarily served Yoshihisa ASHIKAGA, and therefore, it is likely that Nagauji and Takatane were acquainted with each other in Kyoto.
北条早雲（伊勢新九郎長氏）も一時期足利義尚に仕えており、京都で長氏と高種が顔を合わせていた可能性が高い。