In spite of his status as the noble, he and his son Motoyuki joined in the Siege of Osaka, and protected the Osaka-jo Castle until he was killed in the last battle at Tennoji Okayama.
公家の身分でありながら、子の基征とともに大坂の役に参加し大坂城に入城し、最終決戦の天王寺・岡山の戦いで戦死した。