On March 25, 969, Sameryo (trainer of the left of horses owned by the imperial court), MINAMOTO no Mitsunaka, and former Suke (assistant director) of Musashi Province FUJIWARA no Yoshitoki, reported an act of treason committed by Nakatsukasa (ministry of central affairs) Shosuke (assistant director), TACHIBANA no Shigenobu, and Sahyoe (guards of the left) Taii (captain) MINAMOTO no Tsuranu.
969年（安和2年）3月25日、左馬助源満仲と前武蔵国介藤原善時が中務少輔橘繁延と左兵衛大尉源連の謀反を密告した。