The Hikuma no sho (manor) in Totomi Province (the present-day Hamamatsu City, Shizuoka Prefecture) had been the Kira clan's fief since the period of the Northern and Southern Courts (Japan), but it was invaded by the Imagawa clan of Suruga Province.
遠江国引馬荘（静岡県浜松市）は南北朝時代(日本)から吉良氏の領地であったが、駿河国今川氏の侵攻に遭った。