In 1395, when the third Ashikaga shogunate, Yoshimitsu ASHIKAGA, who was Seii taishogun (literally, "great general who subdues the barbarians"), joined the priesthood, Tsuneonori also joined priesthood.
1395年（応永2年）足利幕府3代征夷大将軍足利義満の出家とともに経教も出家した。