Tsunetaka, who became a priest in 1202 and called himself Kyoren, had his eldest son, Takashige SASAKI, bring a letter to the Kamakura bakufu; it accounted for the movement of his army and his career, which started with the killing of TAIRA no Kanetaka when Yoritomo first raised his army.
翌々年に出家し経蓮と称していた経高は、京での騒動に対する申し開きと、挙兵の初めに平兼隆を討って以来を記した書状を、長男の佐々木高重に持たせ幕府へと送る。