But after the Battle of Sekigahara, in 1602, Tadatsune ordered Tadamasa to accompany him to the capital and shot him to death during a hunt in Nojiri, Hyuga Province.
しかし関ケ原の戦い後の慶長7年、忠恒は上洛に際し忠真に同行を命じ、日向国野尻で狩りを催した際、これを射殺した。