Sanetaka served the Emperor Gohanazono, the Emperor Gotsuchimikado, the Emperor Gokashiwabara, and the Emperor Gonara and was a friend of Yoshimasa ASHIKAGA, the eighth shogun of the Muromachi bakufu bakufu (Japanese feudal government headed by a shogun) and Yoshizumi ASHIKAGA, the 11th shogun of the bakufu.
後花園天皇、後土御門天皇、後柏原天皇、後奈良天皇に仕え、室町幕府8代将軍の足利義政や、11代足利義澄らとも親交があった。