The son of Akinari KITABATAKE, Akitada KITABATAKE, named himself 'Shoni KITABATAKE,' and then called himself Shizukuishi Gosho when he went down into Iwate-gun in Oshu Province (the origin of Gosho Dam).
北畠顕成の子北畠顕忠が「北畠少弐」を名乗り、奥州岩手郡に下向して滴石御所と名乗った（御所ダムの由来）。